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Q 1/12
Score 0
Made up of protons and neutrons; Center of an atom
30
Nucleus
Q 2/12
Score 0
positively charged subatomic particle; located in the nucleus; mass of 1 a.m.u
30
Proton
12 questions
Q.
Made up of protons and neutrons; Center of an atom
1
30 sec
Q.
positively charged subatomic particle; located in the nucleus; mass of 1 a.m.u
2
30 sec
Q.
negatively charged subatomic particle; located in the electron cloud; mass of basically nothing
3
30 sec
Q.
neutrally charged subatomic particle; located in the nucleus; mass of 1 a.m.u.
4
30 sec
Q.
The sum of protons and neutrons in an atom's nucleus
5
30 sec
Q.
protons, neutrons, and electrons
6
30 sec
Q.
What type of particles are found in the cloud surrounding the atom's nucleus?
7
30 sec
Q.
What is the mass number of potassium (K) that has 20 neutrons?
8
30 sec
Q.
An atoms has 25 protons, 30 neutrons and 25 electrons, What is the charge of the atoms nucleus?
9
30 sec
Q.
Which statement correctly describes the location and charge of the protons in an atom?
10
45 sec
Q.
An atom of a certain element has 36 protons, 36 electrons and a mass number of 84, at room temperature this element is a very stable gas. How many neutrons are in this atom?
11
60 sec
Q.
How many protons, electrons, and neutrons are present in an atom of Hafnium (Hf) , with a mass number of 78?
