Atoms/Molecules 1
All matter is made of
What are atoms.
What is a Nucleus made up of?
Protons and neutrons
What element is found in all living things?
Carbon
For archery practice you shoot 4 arrows they are all near each other but not near the bull's eye. We would say you are...
What is precise
Where are electrons located in an atom?
Electrons are located on the outside of an atom. The protons keep the electrons in place.
True or False: An element contains only one atom and cannot be broken down into smaller parts.
This statement is TRUE
Which particle moves at an incredible fast rate outside of the atom?
Electrons
Is dihydrogen monoxide toxic?
No. It's water.
What is the base unit for measuring distance in the metric system?
What is a meter
Why must there always be an equal amount of protons and electrons?
They help hold each other in place, like a magnet.
Who is credited with creating the periodic table of elements?
Dimitri Mendeleev
Describe a Proton.
A proton is a positively charge subatomic particle located in the nucleus at the center of an atom.
What element has the Atomic Number of 80?
Mercury (Hg)
In an experiment, the data table and data collected would be an example of: qualitative or quantitative data?
What is quantitative
The Atomic mass (shown on the periodic table for each element) represents what?
What is the number of protons and neutrons in the nucleus
What does the number after a chemical symbol represent in a chemical formula for example the 2 in the molecule H2O?
The number represents how many atoms are represented, so in the example there are two Hydrogen atoms.
What are the charges of each of the subatomic particles?
Protons are positive, electrons are negative, and neutrons have no charge.
Na and Cl combine to make what molecule?
Table salt.
When evidence, research, articles, data or other information is evaluated by a group of experts in the appropriate field before being released to the public this is known as:
Peer Review
What reaction is occurs in the sun and what elements are involved.
Nuclear fusion between hydrogen atoms to form Helium
Where do protons and neutrons clump together?
Which is the smallest of the three subatomic particles?
Electrons
How many atoms are in CH20?
There are four atoms
Identify the steps of the scientific methos
1. observe
2. hypothesis
3. experiment
4. collect data
5. form conclusion and iterate... revisit hypothesis or give reasoning
How does Hydrogen and Oxygen join to form a water moleule?
By sharing electrons