Alkali metals and halogens

Front

The melting and boiling points of halogens __________ down group 7.

Back

increase

Front

Which of the following is NOT an alkali metal? (Cs, Cl, Li, K)

Back

Cl

Front

The alkali metal with the smallest atom is ____ (Na, Rb, Li, Fr).

Back

Li

Front

Halogens exist as ..... (atoms, ions, diatomic molecules, triatomic molecules)

Back

diatomic molecules

Front

Which of the following is the most reactive in water? (Rubidium, Potassium, Caesium, Sodium)

Back

Caesium

Front

What is the general trend in reactivity of alkali metals as you move down the group?

Back

Reactivity increases down the group.

Front

What is the state of halogens at room temperature?

Back

They can be gases (F2, Cl2), liquids (Br2), or solids (I2).

Front

What is the common oxidation state of alkali metals?

Back

+1

Front

What type of bond do halogens typically form with alkali metals?

Back

Ionic bonds.

Front

What is the color of chlorine gas?

Back

Greenish-yellow.