ELECTRONIC STRUCTURE OF ATOM

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.

Tags

NGSS.HS-PS1-7

Ca(NO3)2

• Calcium Carbonate

• Calcium Nitrate

• Magnesium Acetate

Tags

NGSS.MS-PS1-1

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

Tags

NGSS.MS-PS1-1

What are the subatomic particles?

• Protons, Electrons, Neutrons

• Molecules, and atoms

• Electrons, Protons, Nucleus

• Nucleus, and Electrons

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NGSS.MS-PS1-1

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

• sp hybridization
• sp² hybridization
• sp³ hybridization
• dsp³ hybridization

Is this molecule polar or non-polar?

• Polar

• Non-polar

Tags

NGSS.HS-PS1-3