Atomic number
Parts of the Atom
Fill in the Blank
Electrostatics
Elements
100
What is the element with the atomic number of 30?
Zinc
100
The number of electrons is the same as the number of:
Protons
100
Neutron is _______ charged
Uncharged/ neutral
100
What does a nucleus contain?
Protons and neutrons
100
All elements are listed by what?
Number of protons/atomic number/number of electrons
200
How many protons and electrons does this element have? Atomic number: 4
4 protons, 4 electrons
200
The positively charged particle
Proton
200
electrons are _____ charged
Negatively
200
True or False? The material that gains electrons becomes negatively charged.
True
200
How much helium does this molecule have?
0
300
How many neutrons does an element with an atomic number of 21?
About 24 (23.956)
300
The smallest unit of an element that can exist either alone or in combination with other such particles of the same or different elements is the _____
Atom
300
If a substance loses electrons, then it becomes _________ charged.
positively
300
Are electrons inside or outside the nucleus?
outside
300
How much oxygen is in this molecule?
1
400
What is the atomic mass of a molecule with the atomic number of 85?
210
400
In an atom, which part has the least mass?
Electron
400
The sum of protons and neutrons in the nucleus is the
Atomic mass
400
What part of a molecule can move around from one atom to another?
Electrons
400
What element is this?
Hydrogen
500
What element has the atomic number of 105?
(trick question)
No element
500
Which is bigger; the proton or the electron?
Proton
500
Protons are _____ charged
Positively
500
What is a molecule and how do you recognize one?
Atoms mixed together to make a new element, a clump of atoms that are clumped together
500
What element is this?
Carbon