Atomic structure Flashcards
to learn
1
Q
What is the smallest unit of matter that retains the properties of an element?
A
Atom
2
Q
True or False: Electrons have a positive charge.
A
False
3
Q
Fill in the blank: The nucleus of an atom contains protons and __________.
A
neutrons
4
Q
Which subatomic particle is found in the nucleus and has a positive charge?
A
Proton
5
Q
What is the mass number of an atom equal to?
A
The sum of protons and neutrons in the nucleus
