Chemistry Entrance Exam

What aspect of the periodic table will tell you valence electrons?

• Groups

• Families

• Transitions

• Periods

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The symbol for Iron is

• Ir

• Fe

• I

• On

What atom is the largest based on its location on the periodic table?

• H

• Ne

• As

• Fr

What element is the most electronegative?

• H

• C

• Mg

• F

Tags

NGSS.HS-PS1-1

All of the noble gasses do not bond because

• They are gasses

• They have 7 valence electrons

• They have their outer orbital filled

• They are ions.

Tags

NGSS.HS-PS1-1

Iron can have more than one oxidation number. What are the two oxidation numbers Iron may have.

• + 1, 2

• -2.-1

• 2+, 1+

• 0, 1+

The element with a e-configuration of 1s2,2s2p6,3s1

• Calcium

• Potassium

• Sodium

• Argon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Periods on the periodic table tell you.

• Valence Electrons

• Amount of Orbitals

• Electronegativity Only

• Size of the atom Only

A ___________ is an arrangement of elements in columns

• columns

• rows

• periodic table

• electron shell

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in an atom.