C1 Atomic structure Flashcards
1
Q
What are the relative masses for protons, electrons and neutrons
A
P= 1
E= 0.0005
N=1
2
Q
What’s an element
A
A substance containing only one type of atom
3
Q
What’s a compound
A
A substance made of two or more elements chemically combined
4
Q
What type of bond forms when a non-metal and metal react and what happens in terms of electrons
A
It forms an ionic bond and electrons from the metal go to the nonmetal
5
Q
What type of bond is formed when nonmetals react together and what happens in terms of electrons
A
It forms a covalent bond and they share a pair of electrons
6
Q
A
7
Q
What’s a molecule
A
The smallest unit of a substance that’s made up of two or more atoms held together by chemical bonds
8
Q
What’s a mixture
A
More than one element/compound not chemically bonded
9
Q
A
10
Q
A
