Across
1
Unit of heredity
4
Center of an atom or cell
6
Positive particle in nucleus
8
Magnetic metallic element
Down
2
Reddish electrical conductor
3
Gas essential for breathing
5
Chemical element in table salt
7
Unit of force
9
Basic unit of life
Unit of heredity
Center of an atom or cell
Positive particle in nucleus
Magnetic metallic element
Reddish electrical conductor
Gas essential for breathing
Chemical element in table salt
Unit of force
Basic unit of life