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Atoms
Charges
Subatomic
Numbers
Electron Configuration
100
This is the smallest part of an element.
What is an atom?
100
When an atom gains an electron it has this kind of electrical charge.
What is negative?
100

Three subatomic particles.

What are protons, neutrons, and electrons?

100
The sum of protons and neutrons in the nucleus of an atom.
What is mass number?
100

The region of space around the nucleus where an electron is likely to be found.

What is an electron cloud?

200
Neutrons are located outside of the nucleus. True or False?
False!
200
When an atom loses an electron it has this kind of electrical charge.
What is positive?
200
Located outside of the nucleus and have a negative charge.
What are electrons?
200
The number of protons in an atom of a certain element.
What is atomic number?
200

How many electrons can the s orbital hold?

2 electrons

300
Electrons are located outside of the nucleus. True or False?
True!
300
An atom that is neither positively or negatively charged.
What is neutral?
300
Located inside of the nucleus and have a positive charge.
What are protons?
300
The atomic number of Oxygen.
What is 8?
300

For the electron configuration 2p5, which number describes the number of electrons in the given orbital?

5

400
Protons and neutrons are about the same size. True or False?
True!
400

Silicon has 14 protons and 12 electrons, what is it's charge?

+2

400
Atoms of different elements have different numbers of these.
What are protons?
400

The mass number of Potassium if it has 19 protons and 10 neutrons?

29 amu

400

How many electrons can the f orbital hold?

14 electrons

500
This is the smallest subatomic particle.
What is an electron?
500

Aluminum has a charge of +3, how many electrons does it need to gain in order to become neutral?

3 electrons

500
An atom with the same number of protons but different number of neutrons.
What is an isotope?
500
Mass number - atomic number = ______ __ ________.
What is the numer of neutrons?
500

What is the group of the most reactive non-metals?

group 17