Chemistry Review 1st 9-Weeks

Front

What is the electron configuration for a neutral atom of oxygen?

Back

Front

Where is most of the atomic mass of any atom located?

Back

in the nucleus

Front

What is the shorthand electron configuration for Aluminum?

Back

[Ne]3s²3p¹

Front

[He]2s²2p³ is the shorthand notation for which element?

Back

Nitrogen

Front

Which principal energy level contains the LOWEST energy? (n=1 is first energy shell, n=2 is second energy shell, etc)

Back

n=1

Front

What element has the electron configuration 1s²2s²2p⁶3s^1?

Back

Sodium (Na)

Front

Back

Front

Which of the following elements is most likely to form an anion? Magnesium (Mg), Fluorine (F), Aluminum (Al), Lithium (Li)

Back

Fluorine (F)

Front

How many NEUTRONS does an isotope of IRON (Fe) contain if the mass is 54?

Back

28

Front

ELECTRONS were discovered in the 1800s using...

Back

Cathode ray tube