Periodic Trends

Front

Which element has a full valence shell with only two electrons and satisfies the "octet rule"? Options: Oxygen (O), Platinum (Pt), Helium (He), Chlorine (Cl)

Back

Helium (He)

Front

How many valence electrons does Phosphorus (P) have?

Back

5

Front

How many valence electrons does Hydrogen (H) have?

Back

1

Front

What does Nitrogen (N) want to do to obtain a full outer valence shell?

Back

gain 3 electrons

Front

Who is the father of the Periodic Table?

Back

Dmitri Mendeleev

Front

Outline of elements known as the transition metals: A, B, C, D

Back

B

Front

Which of the following have a luster, are malleable, are ductile, and are good conductors of heat and electricity?
Options: metals, nonmetals

Back

metals

Front

How many full inner shells are beneath the outer valence electron shell of Calcium (Ca)? Options: 1, 2, 3, 4

Back

3

Tags

NGSS.MS-PS1-1

Front

What is the nuclear charge of the nucleus of Iron (Fe)?

Back

26

Tags

NGSS.HS-PS1-8

Front

Which of the following elements have the smallest atoms? Potassium (K), Calcium (Ca), Bromine (Br), Krypton (Kr)

Back

Krypton (Kr)