Cada pregunta de este test está cronometrada.
What is the charge of a proton?
Positive
Negative
Neutral
Forward
Where is a neutron located?
Nucleus
Energy Shell
Proton
Cell Wall
Which of these are located in the Nucleus?
Electron
Neutron
The mass of a neutron is 1 amu.
What is the mass of an Electron?
1 amu
3 amu
0.005 amu
0.5 amu
Where is an Electron located?
Energy Shells (orbiting)
Inside a proton
What is the charge on an Electron?
Backwards
The charge of an atom overall is neutral.
Atoms are bigger than cells.
How many protons does an atom with atomic number of 20 have?
10
20
40
5
What letter represents the atomic mass number?
A
M
C
AM
The Atomic Number of an atom is represented by the letter X.