Atomic Sructure And Periadic Table

Question 1

Atom

Answer 1

Smallest unit of matter has the properties element

Question 2

Proton

Answer 2

Positively charged subatomic particle in the nucleus (+1)

Question 3

Neuton

Answer 3

Neutral subatomic particle in the nucleus (no charge)

Question 4

Electron

Answer 4

Negatively charged subatomic particle outside of the nucleus (-1)

Question 5

Nucleus

Answer 5

Center of an atom, has protons, identifies the atom

Question 6

Atomic number

Answer 6

Number of protons and neutrons

Question 7

Group

Answer 7

Column on the periodic table, has the same number of valence electrons 

Question 8

Period

Answer 8

Row on the periodic table

Question 9

Mass number

Answer 9

Number of protons and neutrons

Question 10

Valence electrons

Answer 10

Electron in the outermost energy show, they determine reactivity