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