CHEM pt 1 - Basic Chemistry and Atomic Structure

Question 1

what is a period ( periodic table )

Answer 1

A row of elements in the periodic table. side to side

Question 2

what is a group ( periodic table )

Answer 2

A column of elements down a periodic table. up to down

Question 3

what number matches the atomic number - protons neutrons or electrons

Answer 3

protons and electrons

Question 4

how do u get the number of neutrons

Answer 4

atomic mass - protons = neutrons BUT protons and neutrons are usually at the same value

Question 5

how many electrons can each ring hold ( bohr rutherford )

Answer 5

the first one holds two, each one after that holds 8

Question 6

definition of ION

Answer 6

A charged particle that results when an atom gains or loses one or more electrons (proton and electron # stays the same). This typically happens to make an atom stable.

Question 7

definition of CATION

Answer 7

An atom that loses an electron and becomes more positive.

REMEMBER -
CATions are PAWsitive meow

Question 8

definition of ANION

Answer 8

An atom that gains an electron and becomes more negative.