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Atoms, Ions, and Molecules Flashcards | StudBud

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Atoms, Ions, and Molecules

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Biology Quiz on basics of Chemistry (Section 2.1)

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Questions 12

Answers

1
Atoms in molecules share pairs of electrons when they make
specific heat
ionic bonds
covalent bonds
hydrogen bonds
2
An ion is formed when an atom gains or loses
electrons
neutrons
protons
bonds
3
What distinguishes one element from another?
The number of neutrons.
The number of protons.
The shape.
The number of neutrinos
4
How does an ion become negatively charged?
It loses electrons.
It gains electrons.
5
Which phrase best describes atoms?
parts of a nucleus
positively charged particles
smallest basic units of matter
single-celled organism
6
Atoms connected by covalent bonds share
hydrogen ions
pairs of electrons
ionic compounds
carbon and oxygen
7
How do ions form?
Atoms combine to make a larger atom.
Atoms form covalent bonds.
Two atoms share electrons.
Atoms gain or lose electrons.
8
What is the negatively charged particle found in an atom called?
protons
electrons
prions
neutrons
9
How does an ionic bond form?
Electrons are exchanged between atoms.
Atoms share electrons.
Two atoms combine as one.
Positive and negative ions attract
10
What is a compound?
separate atoms of multiple elements in varying ratios
two atoms of a single element bonded together
atoms of different elements bonded in certain ratios
a molecule of two oxygen atoms
11
The smallest basic unit of matter is the
atom.
cell.
molecule.
compound.
12
What is an example of an element?
Neon
Kryptonium
Steel
Gold