atom's Flashcards
1
Q
What is an atom
A
Smallest part of an atom
2
Q
What is an element
A
Made up of only one type of atom
3
Q
What is a compound
A
Made from at least two elements, chemically combined
4
Q
what is a Mixture
A
Made of two or more elements or compounds not chemically combined together
5
Q
What is the protons relative charge
A
+1
6
Q
What is a neutrons relative charge
A
0
7
Q
What is an electrons relative charge
A
-1
8
Q
What is a protons relative mass
A
1
9
Q
What is a neutrons relative mass
A
1
10
Q
What is a electrons relative mass
A
1/1840
11
Q
What is the atomic number equal to
A
Proton number
12
Q
What is the mass number equal to
A
Number of protons and neutrons
13
Q
What is the number of electrons equal to
A
number of protons
