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15
×
What is a synthetic element?
not made in nature; made in a lab
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5
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What is the name of the element with the symbol Mg?
Magnesium
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5
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How dom you find the number of neutrons in an element?
subtract the atomic number from the atomic mass
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thief
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25
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fairy
Take points!
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25
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rocket
Go to first place!
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lifesaver
Give 25 points!
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5
×
What is the name of the element with the symbol Cl?
chlorine
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5
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What is the atomic mass of chlorine rounded to the nearest whole number
35
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5
×
number of electrons in chlorine
17
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trap
No points!
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magnet
Take 25 points!
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fairy
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25
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baam
Lose 15 points!
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15
×
On the periodic table, _______are located along or on the staircase.
metalloids
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5
×
Which numbers of an element are the same?
atomic number, protons, electrons
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5
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number of protons in chlorine
17
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5
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What is the atom number of chlorine
17
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eraser
Reset score!
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fairy
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25
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fairy
Take points!
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25
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lifesaver
Give 25 points!
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5
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What is the atomic mass of magnesium, rounded to the nearest whole number?
24
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10
×
What are the characteristics of metals?
shiny, good conductors of electricity
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5
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number of electrons in magnesium
12
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