Atoms and Periodic Table

What is the chemical symbol for Lithium?

• H

• He

• Li

• N

How many neutrons does Chlorine (Cl) with an atomic number of 17 and an atomic mass of 35.

• 17

• 18

• 19

Tags

NGSS.MS-PS1-1

Which two subatomic particles are found in the NUCLEUS of at atom?

• protons & nuetrons

• protons & electrons

• neutrons & electrons

• electrons & protons

The periodic table is organized into columns called _______ and rows called ______.

• groups and periods

• periods and groups

• categories and periods

• categories and groups

The chart that shows the arrangement of elements in order by their atomic number

• Electron Cloud

• Periodic Table

• amu

• Atomic Mass

The sum of the protons and neutrons in the nucleus of an atom

• Atomic Number

• Compound

• Electrons

• Mass Number (also called Atomic Mass)

All matter is made of

• atoms

• cells

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the atomic number of Oxygen?

• 6

• 7

• 8

• 9

Which element is represented by the symbol 'Na' on the periodic table?

• Sodium

• Nitrogen

• Neon

• Nickel

What is the term for the horizontal rows on the periodic table?

• Groups

• Periods

• Blocks

• Series