atoms and the periodic table

Front

What is the number of protons that the element in this image contain? Options: 14, 7, 15, 18

Back

7

Front

Which of the two elements below have similar properties? Chlorine (Cl) and Zinc (Zn), Sodium (Na) and Fluorine (F), Potassium (K) and Francium (Fr), Magnesium (Mg) and Helium (He)

Back

Potassium (K) and Francium (Fr)

Front

a positively-charged particle in the atom's nucleus

Back

proton

Front

Which label correctly identifies the nucleus of the atom? Options: A, B, C, D

Back

A

Front

What is the mass number of this atom? Options: 1, 3, 4, 7

Back

7

Front

Why are Li, Na, K, and Rb found in the same group on the periodic table?

Back

They have similar properties.

Front

Most of the elements on the periodic table are classified as: Metals, Nonmetals, Metalloids, Periods

Back

Metals

Front

Sodium (Na) is found in period

Back

3

Front

Sodium (Na) is found in group

Back

1

Front

a chart showing all of the elements arranged according to their properties

Back

periodic table