Glencoe Biology

Section 1: Atoms, Elements, and Compounds

Self-Check Quizzes-English

1
How many different kinds of atoms does an element contain?
A)six
B)two
C)four
D)one
2
Atoms of the same element that have different numbers of neutrons are called ____.
A)isotopes
B)compounds
C)neutrino elements
D)molecules
3
In this water molecule, how many electrons does each hydrogen atom share with oxygen?
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A)two
B)one
C)four
D)eight
4
How are the water molecules in a raindrop held together?
A)covalent bonds
B)van der Waals forces
C)attraction between positive charges
D)attraction between negative charges
5
How are atoms in molecules held together?
A)neutron sharing
B)ionic bonds
C)proton sharing
D)covalent bonds
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