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Isotope. Change in the number of protons Change in the number of electrons Change in the number of neutrons Iso-What!!. C. Change in the number of neutrons. A metal and a non-metal bond. Covalent Ionic Shared Phase. B. Ionic. Heat is given off during a chemical reaction. Endothermic
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Isotope • Change in the number of protons • Change in the number of electrons • Change in the number of neutrons • Iso-What!! C. Change in the number of neutrons
A metal and a non-metal bond • Covalent • Ionic • Shared • Phase B. Ionic
Heat is given off during a chemical reaction. • Endothermic • Exothermic • Whatothermic • Hotothermic B. Exothermic
Subscript • The left side of the equation • The big number in front of the compound • The small number behind an element • The right side of the equation C. The small number behind an element
Matter is neither created nor destroyed • Conservation of mass • Density • Mass spectrometry • Critical mass A. Conservation of mass
Father of the periodic table • Da Vinci • Mendeleev • Democritus • Einstein B. Mendeleev
Changing from a gas to a liquid • conduction • conservation • conversion • condensation D. condensation
The arrow in a chemical equation means? • Product • Coefficient • yields • Reactant C. yields
Positively charged partical in an atom • Proton • Electron • Positron • Neutron A. Proton
Two or more elements chemically combined. • mixture • solution • compound • colloid C. compound
A bond where electrons or shared • dipolar • ionic • metallic • covalent D. covalent
GaBr3 • Ionic • Covalent • Polar • Shared A. Ionic
Carbon - 14 • Ion • Ionic • Covalent • Isotope D. Isotope
The 14 in Carbon - 14 is the new? • Number of protons • Number of electrons • Number of neutrons • Atomic Mass D. Atomic Mass
Dihydrogen monoxide • OH2 • H2O • He2O • HO2 B. H2O
Which compound would be Ionic? • H2O • CO2 • Al2O3 • NO2 C. Al2O3
How many valence electrons does Ca have? • 1 • 2 • 3 • 4 B. 2
Substance that cannot be further separated • mixture • solution • precipitate • element D. element
How many electrons does Mg have? • 6 • 12 • 18 • 24 B. 12
How many Neutrons does O have? • 8 • 16 • 24 • 4 A. 8
Oxygen - 18 has how many neutrons? • 8 • 10 • 16 • 18 B. 10
Ca+2 has how many valence electrons? • 2 • 4 • 6 • 8 D. 8
The name for KI is? • Potassium monoiodine • Potassium Iodine • Potassium Iodide • Potassium monoiodide C. Potassium Iodide
The name for C2H7 is? • Carbon hydride • Dicarbon hexahydride • Dicarbon heptahydride • Carbon heptahydride C. Dicarbon heptahydride
You use brackets for covalent bonds? • True • False B. False
An ion is an atom with a change in atomic mass. • True • False B. False
A compound is a combination of two or more elements • True • False A. True
Endothermic reactions are like a(n) • Ice pack • Hot pack • Icy Hot • thermometer A. Ice pack
A change in color may indicate a? • Physical reaction • Decay • Chemical reaction • Law of conservation of mass C. Chemical reaction
Matter cannot be created nor destroyed • Einstein • Law of Constant Proportions • David Copperfield • Law of Conservation of Mass D. Law of Conservation of Mass
An ionic bond is formed when elements _________ electrons • transfer • share • lose their valence • create A. transfer
A substance that has properties of both metals and nonmetals is • A rare earth element • A semi-metal • A transition metal • An alkali metal B. semi-metal
Atomic number tells how many _____ an atom has • neutrons • electrons • protons • energy levels C. protons
The most reactive metals are • The alkali metals • The alkaline earth metals • The transition metals • The semi-metals A. The alkali metals
Elements within the same row of the periodic table are called • A family • A group • A column • A period D. A period
A family of elements that don’t normally react is called • The halogens • The diatomic gases • The noble gases • The alkali earth metals C. The noble gases
Which of the following elements is not a gas at room temperature • Hydrogen • Helium • Oxygen • Carbon D. Carbon
All compounds are composed of • Metals and nonmetals • Ions • Solids • Elements D. Elements
An atom of an element with a different number of electrons is • An ion • An isotope • A neutron • unstable A. An ion