Atoms Flashcards
1
Q
What is the charge of the nucleus within an atom?
A
Positive
2
Q
What are some of the most common elements in humans?
A
Hydrogen, oxygen, and nitrogen
3
Q
Where are electrons found in an atom?
A
Shells orbiting the nucleus
4
Q
If the number of protons in an atom is changed, what is the result?
A
A new element
5
Q
An atom can hold up to ____ electrons in the first shell, and up to ____ electrons in its second shell
A
2,8
6
Q
Atoms with an incomplete outer shell are said to be _____.
A
Reactive