5.1 Bio

Question 1

What are the parts and charges of the atom and roles?

Answer 1

Proton= + in nucleus, Neutron= 0 in nucleus holds together nucleus, electron= -1 electron cloud.

Question 2

what is coloumbs law

Answer 2

f= kq1q2/(r^2)

Question 3

What does everything stand for in coulombs law

Answer 3

F=force, k=coulombs constant, q1 q2= charges, r=distance

Question 4

Be able to explain the periodic table numbers

Answer 4

Number is protons bottom is AMU

Question 5

What is the order of strength of bonds of the periodic table

Answer 5

Stronger from down to up and left to right.

Question 6

What is the effect of the charges and distance in coulombs law.

Answer 6

charge is direct distance is inversely cubed.

Question 7

What is an isotope why is it useful

Answer 7

Differing number of neutrons in an element, can help determine age in carbon dating for example.

Question 8

Does a ++ or a +- attract or repel

Answer 8

opposites atract +- same charges repel – or ++