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

Beryllium has how many neutrons?

Back

5

Front

What element is this? Options: Helium, Hydrogen, Argon, Silver

Back

Argon

Front

What does an atom's period tell us?

Back

Number of shells

Front

What does an atom's group tell us?

Back

Number of valence electrons

Front

Electrons are...

Back

smaller than protons and electrons, negatively charged, found around the nucleus

Front

Atomic Mass - Atomic number =

Back

number of neutrons

Front

How many electrons in a neutral atom of lithium?

Back

3

Front

How many energy shells does neon have?

Back

2

Front

How many energy shells does Mg have?

Back

3