Chemistry semester 1 review

What group number are the halogens found?

• 18 (8A)

• 1

• 2

• 17 (7A)

What is the name of group number 2?

• transition metals

• halogens

• metaloids

• alkaline earth metals

What is the name of group number 1?

• halogens

• noble gases

• alkali metals

• alkaline earth metals

Valence electrons are

• the electrons in the outer most energy level

• all the electrons in the atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The number of valence electrons ________ by 1 as you move across the period.

• increases

• decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atomic Mass equals the combined number of

• Protons and Electrons

• Electrons and Neutrons

• Protons and Neutrons

What are the rows referred to on the Periodic Table of Elements?

• Families or groups

• Periods

Metals (select all that apply)

• are found on the right side of the periodic table.

• are found on the left side of the periodic table.

• are good conductors of heat and electricity.

• are brittle.

• are malleable and ductile.

Which element has a larger radius?

• Oxygen (O)

• Sulfur (S)

• Tellurium (Te)

• Polonium (Po)

Which element has the highest electronegativity?

• Fluorine (F)

• Iodine (I)

• Bromine (Br)

• Chlorine (Cl)

Tags

NGSS.HS-PS1-2