Bio Review

What is a compound?

• an atom with more electrons than protons
• a substance in which the atoms of two or more elements are combined together
• an atom with more neutrons than protons
• a substance in which the atoms of three or more elements are combined together

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Where are protons and neutrons located? 

• in the nucleus
• in the electron cloud
• in the valence shell

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What is the charge on a proton? 

• positive
• neutral
• negative

What is the charge of an electron? 

• positive
• neutral
• negative

What part of the atom is responsible for determining an atom's chemical properties? 

• all electrons
• protons
• neutrons
• valence electrons

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NGSS.HS-PS1-1

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What is the tiniest particle in the entire universe?

• cells
• gases
• atoms
• liquids

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Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What part of an atom is NEGATIVELY charged?

• protons
• neutrons
• electrons
• atoms

Which part of an atom has no charge?

• protons
• neutrons
• electrons
• atoms

What is the name of a single type of atom?

• cell
• proton
• element
• atom