Atoms & Periodic Table

• Periods

• Groups

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in an atom.

A neutron has a charge of

• +2

• No charge

• -1

• +1

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Tags

NGSS.MS-PS1-1

In the modern periodic table elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

How many protons are in Beryllium?

• 4

• 9

• 5

• 2

Tags

NGSS.MS-PS1-1

Most of the elements on the periodic table are classified as "metal".

• True

• False

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

• protons & nuetrons

• protons & electrons

• neutrons & electrons

• electrons & protons

Tags

NGSS.MS-PS1-1

Which type of subatomic particles have the LEAST amount of mass?

• protons

• electrons

• neutrons

• nucleus

What gives an atom mass?

• Protons & electrons in the nucleus

• electrons in the cloud

• protons & neutrons in the nucleus

• Protons & electrons in the cloud

Tags

NGSS.HS-PS1-7