12.18.2024 OSE Chemistry U2-Lightning Test Review

Front

What is lightning?

Back

Electric spark through air.

Front

What do members of a family in the periodic table share?

Back

They have the same number of valence electrons.

Front

What type of elements typically form cations?

Back

Metals.

Front

Does lightning cause more deaths than tornadoes or hurricanes?

Back

Yes.

Front

What are elements in Group number 17 known as?

Back

Halogens.

Front

What is a cation?

Back

A positively charged ion formed when an atom loses one or more electrons.

Front

What is an anion?

Back

A negatively charged ion formed when an atom gains one or more electrons.

Front

What are the main characteristics of metals?

Back

Good conductors of heat and electricity, malleable, ductile, and typically solid at room temperature.

Front

What are the main characteristics of nonmetals?

Back

Poor conductors of heat and electricity, brittle in solid form, and can be gases or solids at room temperature.

Front

What is the significance of valence electrons?

Back

They determine an atom's chemical properties and its ability to bond with other atoms.