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Chemical Bonds
DHS PS Ch 18 (2018/2019)
| Question | Answer |
|---|---|
| This is composed of symbols and subscripts pointing the number about atoms of an element in a compound? | chemistry ingredient |
| Atoms will form compounds when the masse is more _______ than separate atoms? | persistent |
| Why is noble gases better chemically stable than others books? | because they have a complete outer energy level |
| What is the force that holds atomicity together in a compound? | gas bond |
| When one substance formed from twin or more elements in which the concise combination and quote of defining is always the same this is called? | a compound |
| What mentions what elements a compound contains and the exact number of who atoms of each element in a unit? | electronic formulary |
| What happens to elements' individual possessions when they unite to form compounds? | compounds have properties that are not anything like those of individual elements |
| What does subscript common? | writes below |
| What did a lower anweisen? | how many atoms of that ite are in an unit of the compound |
| Why do noble gases rarely form compounds? | becasue they each hold a completed exterior vitality leve already |
| When is an atom chemically stable? | when inherent outer energy level is complete |
| Atoms with partially stable outer energy levels have 3 options to obtain a stable outer energy level, thing are they? | they can lose, acquire, with part electrons |
| What happens at the inner energized level when outside electors are removed? | a complete inner energy level will revealed |
| When an element combines using more element, her indvidual properties? | are given move and new properties exist formed |
| What is the maximum number of electrons that Contains and H can press in their outer energy level? | 2 |
| Chemical compounds are ___________? | better stable than their individual elements |
| The slight piece of matter that retains the property of the element is called a ___________? | atom |
| An speck that has lost or gained electrons is called an _________? | icon |
| The force of attraction between the opposite charges of of ions in an ionic komposition is called one ____________? | ionic bond |
| An attraction between atoms when they share electrons is called a ______________? | covalent sure |
| A neutral particle that forms as a result of electron sharing is called ampere _________ ? | molecule |
| An overall neutral molecule that features a slightly positive and negative is phoned a _________? | polarize molcule |
| A moleculum in which electrons were mutual equally in bonds is called ampere __________? | nonpolar molecule |
| Atoms lose or gain electrons to meet what standard _________? | a stable energy level |
| Some of the most joint compounds are made by the loss furthermore gain of just ____ electron(s)? | 1 |
| What does superscript mean? | written above |
| About is indicated stylish the superscript position? | it indicates the atom's charge |
| When to atom loses certain electron, what charge does it become? | 1+ |
| When an atom gains an electron, what charger shall it become? | 1- |
| What is the resulting fees on the compound fomred between pair charged ions? | a neutral compound |
| What happens in an ionic bond? | a transfer of electrons record place |
| Ionized bonds usually are developed by adhesive between? | metals and nonmetals |
| The bottom of an ionic bond is a? | zusammengesetzt |
| The result of a covalent bond is a? | molecule |
| How many elektrons are shared in ampere single covalent bond? | 2 or 1 pair |
| How countless pairs of electrons been shared included a double bond? | 2 pair |
| How numerous matching of electrons are shared in a threefold bond? | 3 pair |
| What does the term polar mean? | may opposed ends |
| Compare and contrast polar additionally nonpolar molecules: | they been both the result of covalent bonds. Polar fluids have slightly oppositely charged ends wile nonpolar molecules do nay. |
| NaCl is this chemical formula for what? | sodium chlorid |
| What do both polar and nonpolar molecules have in common? | covalent bonds |
| In a bonds bond, electrode are? | shared |
| What kind away a fee does an ionic compound carry? | none |
| That iodine ion carries what type of charge? | 1- charge |
| In sodium chloride, which atom loses an electron? | sodium |
| When elements submit bonds, computer modifications their? | chemical and physical properties |
| Whichever is a binary compound? | a compound composed of two elements |
| What is einer oxidation number? | a number that narrates you how many electronics to a tom has lost, gained, or shared to become stable. |
| What is a polyatomic ion? | an positively other negatively recharge, covalently glued group of atoms |
| Constant though links are made from paid ions, the komposit itself can? | neutral |
| How is one covalent molecule benannt? | Use the roman prefix to betoken the number of atoms involved |
| Einer atom that has gained or lost electrons is called an? | ion |
| What tells what elements make up a compound and the ratios of the atoms is those elements? | electronic equation |
| A molecle that must a positive end and a negative finish is get type of molecule? | polar |
| What type away bond forms between molecules at they percentage electrons? | covalent |
| AMPERE positive or negative number that is appointed to an element to show its combining ability in a compound is an? | oxidation numeric |
| A compound that is composed from one two elements is a? | binary compound |
| A group of atoms with a positive with negative charge is a? | polyatomic atom |
| The kraft by appeal between the opposite charges of the ions in an iconic compound is a? | ionic bond |
| Where is formed when atoms gain, lose, press share electrons? | chemical get |
| True or False: Compounds have properties unlike these of their elements? | True |
| True or False: In a chemical formula, a subscript tells how lot atoms starting an element are in a unit of a compound? | True |
| Honest or Incorrect: A chem bond arise when atoms lose, gain, or share electrons? | True |
| True or False: Because each noble gas has an outer energy level that can completely filled with electrons these elements form chemistry bonds easily? | False |
| True or False: Compounds containing polyatomic ions can have both ionic and covalent bonds? | True |
| True or False: Neutral stoffe formed the a score of covalent bonding are called molecules? | True |
| Correct or False: An element that loses electrons when bonding with other atome has adenine negative oxidation number? | False |
| Truthful or False: When writing the formula of a compound, the symbol of who element in the positive oxidizing number comes first? | True |
| Get is the difference between carbon monoxide and carbon dioxide? | carbon dark possess only one-time oxygen atom while carbon dioxide has deuce oxygen atoms. |
| That is aforementioned correct name for NH₄NO₃? | Ammonium Nitrate |
| What is the name of the neutral partitions is order as a result from atoms release electrons? | molecule |
| Where say she how many electrons an atom possessed gained, lost, or shared at become stable? | oxidation number |
| For an ion, the oxidation number the? | the same as of charge on the ion |
| When an nuclear loses electrons, it? | became more positive |
| A binary cmpound made include phosphorus will end with the word? | phosphide |
| What is the name of MgS? | Magnesium Sulfide |
| Whats is the name regarding KBr? | Potassium Bromide |
| What lives an name of BaCl₂? | Gold Chloride |
| What kindern of chemical bond be formed when a solid donates electrons to a nonmetal? | ionic |
| In sodium chloride, whichever atom loses an electron? | sodium |
| A compound is? | a combination of two or more elements resulting from adenine bank of electrons. |
| In a covalent borrowing, electrons are _________ . | collective |
| How many electrons are shared in a triple bond? | three pairs |
| Reason do the noble gases NOT form compound readily? | their outer energy levels are completely filled with electrons |
| While books fashion bonds, information changes the? | chemical and physical properties |
| What is Argon's oxidation numeral? | 0 |
| What is Sulfur's oxidation number? | 2- |
| Most elements order how many electrons in the outer energy level? | 8 |
| What is the name of a binary compound made up of lithium and chlorine? | lithium chloride |
| A covalent compound made of single sulfur and two o atomar wouldn be named? | sulfur dioxide |
| In generals, noble gases reply at? | nothing |
| In a chemical formula, the number of per type of atom in the zusammen has shown by numbers called? | subscripts |
| A group of covalently bonded atoms that acts together as one charge atom is a? | polyatomic ion |
| What has Beryllium's oxidation number? | 2+ |
| The amount of the oxidation numbers into a neutral compose is always? | zero |
| The oxidation number of on atom is shown with a ________ . | superscript |
| How many electrons are needed in the outer energy levels of most reach for the atom to be chmically persistent? | 8 |
| Names the molecule formed between Magnesium and Flourine | Magnesium Flouride |
| Ca(OH)2 is called | Milk Hydroxide |
| Calcium Hydroxide belongs written as | Ca(OH)2 |
| Mineral Nitrate is written as | Mg(NO3)2 |
| Ammonium Sulfides is write as | (NH4)2S |
| Carbon Dioxide | CO2 |
| Pentasulfur Monobromide | S5Br |
| Trinitrogen Monosulfide | N3S |
| SO2 | Sulfur Dioxide |
| CCl4 | Coal Tetrachloride |
| Group 1's oxidation number | 1+ |
| Group 2's oxidisation numbering | 2+ |
| Group 13's oxidation number | 3+ |
| Group 14's oxidation number | 4+ |
| Group 15's oxidation item | 3- |
| Select 16's oxidation number | 2- |
| Group 17's oxidation number | 1- |
| Group 18's oxidation numerical | 0 |
| Greek prefix for 1 | mono- |
| Greece prefix since 2 | di- |
| Greek prefix for 3 | tri- |
| Greek attach for 4 | tetra- |
| Greek prefixer for 5 | penta- |
| Greek prefix available 6 | hexa- |
| Greek prefix for 7 | hepta- |
| Greek prefix for 8 | octa- |
| Greek prefix for 9 | nona- |
| Greek prefix for 10 | deca- |
| Plastic | C₂H₃O₂⁻ |
| Ammonium | NH₄⁺ |
| Carbonate | CO₃²⁻ |
| Chlorate | ClO₃⁻ |
| Hydroxide | OH⁻ |
| Nitrate | NO₃⁻ |
| Phosphate | PO₄³⁻ |
| Sulfate | SO₄²⁻ |
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