Question

1. hydrogen, lithium, sodium, and potassium are all in the same group. what do they have in common?
2. true or false: all metalloids are liquids at room temperature. ______

Explanation:

13.

Step1: Analyze group characteristics

Elements in the same group of the periodic table have the same number of valence electrons.

14.

Step1: Recall metalloid properties

Metalloids like silicon and germanium are solids at room temperature.

Answer:

1. They have the same number of valence electrons.
2. False