Quiz
Chemistry Midterm Prep
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Perguntas do quiz (9)
1Fission is the combining of nuclei
- AVerdadeiro
- BFalso
2What does the Law of Conservation of Mass state?
- AIn a chemical reaction, mass is separated equally
- BMass is not created or destroyed in a chemical reaction
- CEach object has the same ratio of mass
- DMass can be found in a universal way
3An atom has a mass number of 84 and has 36 electrons. Find the protons, neutrons and identity of the atom.
- A36 protons, 48 neutrons, Krypton
- B48 protons, 36 neutrons, Krypton
- CYou can't determine, not enough information
- D36 protons, 84 neutrons, Krypton
4Convert 500,653,000 to scientific notation (3 significant figures)
- A5.00653x10^8
- B5.653x10^7
- C5.00653x10^9
- D5.653x10^8
5What is a cation?
- AA cation is a negative ion and takes electrons
- BA cation is a positive ion and takes electrons
- CA cation is a negative ion and gives electrons
- DA cation is a positive ion and gives electrons
6How do you determine the valence electrons from electron configuration?
- AAdd the highest energy levels together (the "exponents")
- BMultiply the highest energy levels together (the "exponents")
- CAdd all of the energy levels together
- DMultiply all of the energy levels together
7Choose all of the properties of covalent bonds.
- ANon conducive
- BUse prefixes when naming (mono, di, etc)
- CMade by a metal and a non metal
- DStrong
8The atomic radius gets smaller when going across the periodic table
- AVerdadeiro
- BFalso
9Write the chemical formula for sodium chloride
- ANaC
- BNaCl
- CClNa
- D(Na)Cl
Informações
- Descrição
- Quiz sobre Chemistry Midterm Prep, criado por Liz Biondo em 13-01-2017.
- Autor
- Liz Biondo
- Idioma
- English
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