What is an atom?
Chemistry atomic models

Quiz
•
Science
•
1st Grade
•
Medium
Adriana González
Used 13+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A unit which is very electrical
Smallest unit into which matter can be divided without the release of electrically charged particles
Smallest unit into which matter can't be divided without the release of electrically charged particles
The biggest unit into which matter can be divided
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a molecule?
All matter is made up of ions, and it is the way in which the atoms are rejected to each other
The union of intermolecular atoms
All matter is made up of atoms, and it is the way in which the atoms are attached to each other
The rejection of cations
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalton proposed that all the atoms of an element were equal to each other (they all had the same mass) and this was different from the mass of the atoms of the other chemical elements
True
False
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Electrons have ________ charge
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Protons have _______ charge
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is atomic number?
The number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of electrons in the nucleus.
The number of protons in the nucleus of an atom.
The most important characteristic of an atom is the number of negative charges in its nucleus
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All atoms that have the same number of protons (atomic number), but that vary in the number of neutrons, are isotopes of a chemical element.
True
False
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