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10 questions
Energy sublevels are known as (choose at least four answers)
s
p
d
e
f
What was Dalton's atomic theory about ?
Matter is made tiny particles called atoms.
Atoms combine in whole numbers.
Atoms of an element are identical in mass and properties.
Different elements have different properties.
They are divisible into protons. It contains electronic shells.
Ca(NO3)2
Calcium Carbonate
Calcium Nitrate
Magnesium Acetate
What group and period does this element belong in? *
period 1 and group 3
period 3 and group 1
period 2 and group 3
period 3 and group 2
What are the subatomic particles?
Protons, Electrons, Neutrons
Molecules, and atoms
Electrons, Protons, Nucleus
Nucleus, and Electrons
How many periods or rows are there on the periodic table?
6
7
17
18
Part of the Periodic Table is shown.
The letters are not the symbols of the elements.
Which element is a non-metal?
A
B
C
D
Which row describes the reactivity and the electronic structure of a noble gas?
A
B
C
D
Carbon atom undergoes
Is this molecule polar or non-polar?
Polar
Non-polar
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