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Biology Atoms, Ions, and Molecules Flashcards | StudBud

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Biology Atoms, Ions, and Molecules

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Biology Quiz on basics of Chemistry (Section 2.1)

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Questions 6

Answers

1
How does an ion become negatively charged?
It loses electrons.
It gains electrons.
2
Which of the following is defined as: one particular type of atom?
compound
element
molecule
bond
3
Which phrase best describes atoms?
parts of a nucleus
smallest basic units of matter
single-celled organism
positively charged particles
4
An ion is formed when an atom gains or loses...
electrons
protons
bonds
neutrons
5
How does an ionic bond form?
Positive and negative ions attract
Electrons are exchanged between atoms.
Two atoms combine as one.
Atoms share electrons.
6
How do covalent bonds connect atoms?
They share pairs of electrons
One gives a proton to the other
One gives an electron to the other
They share pairs of protons