Elements Flashcards
1
Q
Describe an element
A
All the same
2
Q
Describe a compound
A
2 or more different elements
3
Q
Describe a mixture
A
Different elements not chemically bonded
4
Q
What is periodic table in order of
A
Atomic number
5
Q
Why did Mendeleev leave gaps
A
So that elements with similar properties could be placed together
6
Q
Why is there no overall charge on each atom
A
Number of protons is equal to electrons
