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Atoms and Elements1
Atoms and elements2
Atoms and Elements 3
Atoms and Elements 4
Review
100

A substance that can't be broken down any further. Made up of single atom.

What is an element?

100
Negatively charged particles in an atom.
What is an electron?
100

3 types of particles in an atom.

What is an electron, proton, and neutron?

100
Elements that have properties of both metals and not metals.
What are semi metals?
100

What group number does sodium (Na) belong?

Group 1

200
The smallest particle of an element that still has the properties of the element
What is an atom?
200

What do scientists do to their previous models or theories?

New evidence that supports a revision prompts scientist to modify the earlier theories.


200

What other elements have the same group with Aluminum (Al)?

B, Ga, In, Tl, Nh

200
Another name for semi metal.
What is a metalloid?
200

What subatomic particles are found inside the nucleus of an atom?

Protons and neutrons 

300
Structure at center of atom.
What is the nucleus?
300

A vertical column of elements in the periodic table that share similar chemical and physical properties.

Groups

300
How elements are arranged in the periodic table.
What is the atomic number.
300
Cannot conduct electricity, don't scratch or bend, easily broken.
What are non metals?
300

What subatomic particle is found outside the nucleus?

Electrons

400
Small positively charged particle.
What is a proton?
400

A substance made of two or more elements chemically combined.

What is a compound?

400
The atomic number is this
What is the number of protons in the nucleus?
400

Where you can find elements.

Periodic Table of Element

400
Describe the structure of an atom.

Atoms have a nucleus containing protons and neutrons; electrons surround the nucleus in a cloud.


500
A particle in an atom that has no charge.
What is a neutron?
500

How do you read the periodic table based on the atomic numbers?

From left to right

500

Can be bent, scratched, are shiny, can carry electricity.

What are metals?

500

How do you get the mass number?

By adding the protons and neutrons

500

Why scientific knowledge improves over time?

Scientific ideas change as new information is collected and interpreted.