BIG Chemistry Review 2024

Front

What is Group 2A known as?

Back

Alkaline Earth Metals

Tags

NGSS.HS-PS1-1

Front

What is the energy needed to remove the outermost electron from an atom called?

Back

Ionization energy

Front

How many valence electrons do most atoms want to have to fulfill the octet rule?

Back

8

Tags

NGSS.HS-PS1-1

Front

What is Group 17 (7A) known as?

Back

Halogens

Front

What is the measure of an atom's ability to attract electrons from a bond?

Back

Electronegativity

Front

What is the general trend of ionization energy across a period in the periodic table?

Back

Ionization energy increases across a period from left to right.

Tags

NGSS.HS-PS1-2

Front

What is the general trend of electronegativity down a group in the periodic table?

Back

Electronegativity decreases down a group.

Front

What is the significance of the octet rule in chemical bonding?

Back

The octet rule states that atoms tend to bond in such a way that they have eight electrons in their valence shell, achieving a stable electron configuration.

Tags

NGSS.HS-PS1-1

Front

What are the properties of alkaline earth metals?

Back

Alkaline earth metals are shiny, silvery-white, and somewhat reactive at standard temperature and pressure.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What are the properties of halogens?

Back

Halogens are highly reactive nonmetals, with seven valence electrons, and they readily form salts with metals.

Tags

NGSS.HS-PS1-2