7/28/2019 G7 Quiz 01 Tri 1- 2013-2014

1/2

7/28/2019 G7 Quiz 01 Tri 1- 2013-2014

2/2

(5.5)

1. ...................... ...................... . .................................. .................................. .3......... ............................ ....................4........... ....... .........5....... .... ............................ = ................6....... .............. .....222......................: -(4.5)

(Energy levels around nucleus) (Negative) (1.0) (Neutron) (In the nucleus)

(Central, dense core)(Positive) (Approx. 1/2000) (Neutral none)Name Where found in an atom Electrical charge Relative mass (compared

to a proton taken as 1.0)Proton 1.0

Nucleus Positive Depends upon atom

Electrons

In the nucleus

((-:BA

A B

Energy levels * is neutral.

An electron * has a mass of 1.0 u.m.a.

A proton * is negatively charged.

A nucleus * are around the nucleus.

(:-(2

:

142