Atoms and Elements
Isotopes
History
Organization
Random
100
What is this an image of?
An Atom
100
What are atoms with the same number of protons but different numbers of neutrons called?
Isotopes
100
True or false, the idea of atoms is thousands of years old.
True
100
Why was the creation of the periodic table so significant?
It let scientists predict the existence of unknown elements
100
What is a group of penguins on land called?
A waddle, a rookery, a colony, or a huddle
200
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How many electrons are in this image?
2
200
The time it takes half of a sample of radioactive material to decay is called what?
Half life
200
What is the plum pudding model of an atom missing?
Nucleus
200
Where are the transition metals located on the periodic table?
Yellow
200
what animal has finger prints so similar to humans that they have been confused at crime scenes?
Koala
300
Where are the protons and neutrons in an atom located?
Nucleus
300
How are isotopes useful in paleontology?
Finding out how old bones are
300
Draw an example of the Bohr model of the atom
300
Where are the non metals located?
Yellow
300
How many noses do slugs have?
4
400
How many protons does a carbon atom have?
6
400
Does the number of atoms you start with affect how long it takes a sample to decay?
No
400
What does the theory of uncertainty say about the location and velocity of an electron?
You can't know both
400
Name 2 properties of metals
Ductile, malleable, electrically conductive, thermally conductive, shiny
400
What animal's eye is bigger than its brain?
Ostrich
500
How many neutrons are in an atom of B11?
6
500
Find the mass of a radioactive isotope if 3 half lives occurred. The initial mass of the material was 80g.
10g
500
How many atoms would fit in the period at the end of a sentence?
7.5 trillion
500
Name 2 properties of non metals
gases at room temperature, form covalent bonds
500
How long does it take a sloth to digest its food?
2 weeks