Atomic Structure & Periodic Table Review

How are the elements arranged in the periodic table arranged?

• atomic mass

• atomic number

• isotope number

What subatomic particle has a positive charge?

• electron

• neutron

• proton

Group 18 elements are called the ______ ______.

• alkali metals

• alkaline earth metals

• noble gases

• transition metals

The outermost electrons are called ______ electrons.

• nothing

• valence

• electron cloud

• energy levels

How many valence electrons in Group 2 atoms?

Use your periodic table. What element is in group 10, row 4?

• copper

• nickel

• cobalt

• palladium

Which subatomic particles make up the nucleus of an atom?

• protons and neutrons

• electrons and protons

• electrons, protons, and neutrons

• electrons and neutrons

An element with a mass number of 10 and an atomic number of 6 has how many protons?

• 10

• 16

• 6

How many electrons does a neutral atom of Si contain? (click to see image, Remember positive protons = negative electrons)

• 14

• 28

• 2

Group 18 elements are known as the _____ _____ and have full valence shells.

• royal gases.
• supreme solids.
• noble gases.
• legit liquids.

Tags

NGSS.HS-PS1-1