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8th Grade Science STAAR RC 1: Matter and Energy Flashcards | StudBud
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8th Grade Science STAAR RC 1: Matter and Energy
8th Grade Science STAAR RC 1: Matter and Energy
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8th grade Periodic Table Review, STAAR Ready
Flashcards
31 cards
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Practice quiz
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Questions
31
Answers
1
Under which category does the element Hydrogen fall?
Non-Metals
Alkali Earth Metals
Metals
Metalloids
2
What determines an elements reactivity?
electrons
neutrons
protons
valence electrons
3
The chemical formulas on the LEFT side of the arrow are called
products
coefficients
reactants
yields
4
What do groups have in common?
Number of valence electrons.
Number of electrons.
Number of protons.
Number of neutrons.
5
How many protons are there in a carbon atom?
14
6
12
2
6
Metals are typically found where on the periodic table?
To the Left
at the bottom
To the Right
on the staircase
7
The vertical columns on the periodic table are called ________.
Tower
Periods
Groups
Rows
8
The atomic number is defined as the number of ___________.
Electrons
Valence Electrons
Neutrons
Protons
9
What is the element with 3 electron shells and 4 valence electrons?
Gallium
Silicon
Titanium
Germanium
10
Metalloids can be found where on the periodic table?
Along the stair step.
To the left
At the bottom.
To the right
11
How many electrons can fit in the 2nd energy level?
8
18
2
4
12
What is the name of group 2 on the periodic table?
Noble Gases
Alkaline-Earth Metals
Halogens
Alkali Metals
13
The small number to the right of a chemical symbol is called a
coefficient
subscript
14
How many electrons can fit in the 3rd energy level?
8
6
2
18
15
Shiny, conducts heat and electricity, malleable, and ductile.
Metal
Nonmetal
16
Teeth grinding and breaking food into smaller parts is an example of
Chemical Change
Physical Change
17
Proteins being broken down into amino acids is an example of
Chemical Change
Physical Change
18
Which group of elements does not react with any other atoms?
Alkaline-Earth Metals
Halogens
Alkali Metals
Noble Gases
19
Which of the following is a member of the Noble Gas Family?
Krypton
Sodium
Aluminum
Chlorine
20
How many electrons are in Helium's outer shell?
5
4
2
8
21
Able to be drawn into thin wires.
Moldable
Wirey
Ductile
Malleable
22
Dull, shatters when hit with a hammer, can't conduct electricity.
Nonmetal
Metal
23
Can be flattened into thin sheets.
Malleable
Foilable
Conductive
Ductile
24
How many electrons are there in an atom of magnesium?
10
24
8
12
25
Compound that contains CARBON along with the elements H, O, N, P and/or S.
Organic
Biotic
Abiotic
Inorganic
26
What is the name of group 17 on the periodic table?
Alkaline-Earth Metals
Halogens
Alkali Metals
Noble Gases
27
What two particles make up the atomic mass?
neutrons, electrons
protons, electrons
protons, neutrons
28
How many neutrons are there in a sodium atom?
10
12
13
11
29
Which of the following is NOT a sign of a chemical reaction?
Gets warmer
Changing color
Solid becomes a liquid.
Fizzing and bubbling
30
A substance made up of two or more atoms.
Solution
Mixture
Element
Compound
31
The substance to the RIGHT of the arrow are called
Reactants
Yields
Coefficients
Products
