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100

In genetics, this term refers to the physical appearance or observable traits of an organism.

What is a phenotype?

100
What are the first two elements of the periodic table?
Hydrogen and Helium.
100
If the object changes colour is it a chemical or a physical change?
chemical change
100
Draw the Bohr Ruthford Diagram for H
1 electron
100
The three states of matter are
Solid Liquid Gas
200

Organisms that can make their own food through photosynthesis or chemosynthesis are called

What are autotrophs/producers?

200
True or False: Neon has a full valence shell.
True.
200
Water freezing is a chemical or physical change?
a physical change becuase no new substance was made
200
In a Bohr Rutherford Diagram explain the number of electrons that each shell can hold.
the first one 2, and the rest 8
200

Give one example of chemistry in our every day lives

...

300

This scientist is known as the "Father of Genetics" for his experiments with pea plants.

Who is Gregor Mendel?

300
The periodic table is seperated into two groups.
Metals and Non Metals
300
Discribe some of the indicators that a chemical change has occured.
smell heat or light colour change
300
Elements with only one valence electron are located in what group in the periodic table.
Alkali Metals
300
Give the chemical formula for water
H2O
400

In cellular respiration, this molecule is the final electron acceptor in the electron transport chain, allowing the production of water and large amounts of ATP.

What is oxygen?

400
What are the following elements names. Na K C Cl
sodium potassium calcium chlorine
400
Crushing a can is a chemical of physical change
physical
400
The group with a full valence shell is called what?
Noble Gases.
400
the number of protons also equals the number of
electrons
500

These three materials are needed by plants to perform photosynthesis.

What are carbon dioxide, water, and sunlight?

500
What is a Lewis Dot Diagram?
Is the diagram that shows only the valence electrons
500
cooking an egg, chemical of physical change ?
Chemical change because a new substance has been made
500
If an atom gives away its electrons to become stable it has a _____ charge
postive
500
Pb and Ag are the symbols for what elements
Gold and Lead