Atomic Structure & PTE review

Front

How many protons are in nitrogen?

Back

7

Front

The smallest particle of an element that retains the same chemical properties of that element is?

Back

an atom

Front

How many valence electrons would a neutral atom of silicon (Si) have?

Back

4

Front

What is the most reactive group of nonmetals?

Back

halogens

Front

Which of the following does not conduct heat or electricity?

Back

elements on the right of the stair-step line

Front

What is an atom?

Back

The smallest unit of an element that maintains the properties of that element.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.