Atomic Number and Atomic Mass Flashcards
1
Q
The number of protons and electrons in the atoms of an element is equal to?
A
Atomic number
2
Q
How is the element determines the identity of an atom?
A
Through the number of protons
3
Q
The number of protons and electrons is not equal. True or False?
A
False, they’re equal because atoms are neutral
4
Q
Does each element have it different atomic number? True or False?
A
True
5
Q
What is the combination of the mass of protons and neutrons in the nucleus of an atom?
A
Atomic mass
6
Q
The atoms of varying atomic mass exist because of the difference in the number of neutrons in their nuclei are called.
A
Isotopes
7
Q
Why aren’t electrons accounted for in the determination of atomic mass?
A
Because the mass of an electron is negligible compared to protons and neutrons.
