Periodic Table, Chemistry, Matetials, Atoms , Molecules, Compounds Flashcards
(8 cards)
1
Q
What is an atom?
A
The basic building block of matter, consisting of particles like protons, neutrons, and electrons.
2
Q
What does an atom represent in terms of elements?
A
The smallest unit of an element.
3
Q
What is a molecule?
A
Formed when two or more atoms chemically bond.
4
Q
Give an example of a molecule formed from identical atoms.
A
O2 - a molecule of oxygen.
5
Q
Give an example of a molecule formed from different types of atoms.
A
H2O - a molecule of water.
6
Q
Fill in the blank: A molecule is formed when _______.
A
two or more atoms chemically bond.
7
Q
True or False: An atom can exist independently as a molecule.
A
False.
8
Q
What particles make up an atom?
A
Protons, neutrons, and electrons.
