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Matter Review
Test Description: Review for the matter unit test.
Instructions: Answer all questions to get your test result.
1) Which of these is NOT an example of matter?
A
The water in the ocean
B
The sand on the beach
C
The air in the wind
D
The bright sunlight
2) The sum of the protons and neutrons in the nucleus of an atom is called the
A
Weight number
B
Ion
C
Atomic mass
D
Atomic number
3) Atoms are mostly composed of
A
Neutrons
B
Electrons
C
Empty space
D
Protons
4) Elements with the same number of protons but different number of electrons are called:
A
Metals
B
Ions
C
Isotopes
D
Pairs
5) Which of these describe the location of the neutrons in an atom?
A
In the center of the atom
B
Scattered randomly
C
Orbiting the center of the atom
D
Distributed evenly throughout the atom
6) Which of these describe the property that changes the MOST when a molecule loses an electron?
A
The elements of the molecule
B
The mass of the molecule
C
The number of neutrons
D
The change of the molecule
7) Elements in group one of the periodic table tend to become positively charged during reactions. Which of these explains how this happens?
A
They lose a proton
B
They lose an electron
C
They gain an electron
D
They gain a proton
8) Which of these best describes the structure of an atom?
A
A central, positive nucleus with orbiting electrons
B
A central, negative nucleus with orbiting protons
C
A central, positive nucleus with orbiting protons
D
A central, negative nucleus with orbiting electrons
9) an atom has 6 protons, and atomic mass of 14, and a charge of 0. How many electrons and neutrons does this atom have?
A
8 electrons and 6 neutrons
B
6 electrons and 8 neutrons
C
8 electrons and 0 neutrons
D
6 electrons and 2 neutrons
10) Which of these makes the atoms of one element different from the atoms of another element?
A
Number of electrons
B
Number of protons
C
Number of orbitals
D
Number of neutrons
11) Which element is least likely to combine with another element to form a compound?
A
Silicon (Si), a metalloid
B
Neon (NE), a noble gas
C
Iron(Fe), a metal
D
Chlorine (Cl), a halogen
12) Which element would most likely bond with oxygen (O)?
A
Na (sodium)
B
Mg (magnesium)
C
K (potassium)
D
P (phosphorous)
13) If you put a __________ in a new container, it will take the shape of the container, but its volume will not change.
A
Gas
B
Liquid
C
Solid
D
Plasma
14) A gas:
A
Has a definite shape, but not volume
B
Has a definite shape and volume
C
Has a definite volume but not shape
D
Has no definite shape or volume
15) The molecules in a _______ are close together but free to move around
A
Liquid
B
Plasma
C
Gas
D
Solid
*select an answer for all questions
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