Unit 5: Periodic Table

Front

What is electronegativity?

Back

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.

Front

List the elements in order of increasing electronegativity: Sn, Ag, I.

Back

Ag, Sn, I.

Front

How many energy levels are filled in a krypton atom?

Back

4 energy levels are filled in a krypton atom.

Front

Which of the following is a nonmetal: Copper, Lead, Hydrogen, Sodium?

Back

Hydrogen is a nonmetal.

Front

What group contains elements with 7 valence electrons?

Back

Halogens contain elements with 7 valence electrons.

Front

Select the Alkali Earth Metal found in Period 4: Calcium, Potassium, Titanium, Krypton.

Back

Calcium is the Alkali Earth Metal found in Period 4.

Front

What are the main groups of the periodic table?

Back

The main groups are Alkali Metals, Alkaline Earth Metals, Transition Metals, Halogens, and Noble Gases.

Front

Define a noble gas.

Back

Noble gases are elements in Group 18 of the periodic table that are characterized by their lack of reactivity due to having a full valence shell.

Tags

NGSS.HS-PS1-1

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an element reacts chemically and its bonding behavior.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is the periodic trend for atomic radius?

Back

Atomic radius generally increases down a group and decreases across a period from left to right.