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Atoms Molecules
Test Description: Atomic Structure, The Periodic Table, Atoms, Molecules.
Instructions: Answer all questions to get your test result.
1) A PROTON has a __________ charge.
A
seven
B
neutral
C
positive
D
negative
2) A NEUTRON has a __________ charge.
A
May
B
positive
C
neutral
D
negative
3) An ELECTRON has a __________ charge.
A
Boron
B
neutral
C
negative
D
positive
4) The smallest atom is...
A
Carbon.
B
Nitrogen.
C
Boron.
D
Hydrogen.
5) Oxygen has ___ protons in the nucleus.
A
2
B
8
C
5
D
14
6) The particles that are smaller than an atom are called...
A
Atomic Particles.
B
Subatomic Particles.
C
Molecule Particles.
D
Purple Particles.
7) The nucleus of an atom has...
A
neutrons and protons in it.
B
neutrons and electrons in it.
C
protons and electrons in it.
D
protons and armadillos in it.
8) The subatomic particles that zoom around the nucleus are...
A
protons.
B
molecules.
C
neutrons.
D
electrons.
9) An ISOTOPE has extra __________.
A
electrons
B
atoms
C
protons
D
nuetrons
10) A COMPOUND has __________ bonded together.
A
more than one type of element
B
all the same element
C
Oxygen
D
protons
11) To find out the number of NEUTRONS in an atom you...
A
electrons - protons.
B
mass number - protons.
C
mass number + atomic number.
D
protons - neutrons.
12) A positive ION has less...
A
electrons.
B
neutrons.
C
Boron
D
protons.
13) A negative ION has an extra...
A
neutron.
B
proton
C
May
D
electron
14) To find out the number of PROTONS in an atom you look at...
A
the atomic number.
B
protons - neutrons.
C
neutrons + protons.
D
the mass number.
15) To find out the number of ELECTRONS in an atom you look at...
A
seven.
B
protons - neutrons.
C
the number of protons.
D
the mass number.
16) The smallest unit of a combination of different types of atoms is...
A
a quark.
B
a compound.
C
a string.
D
an atom.
17) The center of an atom is....
A
the nucleus.
B
the electron.
C
the shell.
D
the George.
18) Atoms _________ want to be stable.
A
sometimes
B
always
C
kind of
D
never
19) Many atoms find stability by _________ with other atoms.
A
seperating
B
combining
C
catching
D
jumping
20) An COVALENT BOND between two atoms means they ...
A
share a proton.
B
take an electron.
C
share an electron.
D
take a proton.
*select an answer for all questions
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