A table that was created to organize all of the elements in the universe.
What is the periodic table of elements
100
How are the elements classified on the periodic table of elements.
What is by the number of protons in the nucleus of the atom.
200
This is the middle of an atom.
What is the nucleus.
200
There are three states of matter.
What are gas, liquid, and solid.
200
H2O
What is a water molecule
200
What are the first three elements on the period table of elements
What is hydrogen, helium, and lithium
200
What are the 5th, 6th, and 7th elements.
What is Boran, Carbon, and Nitrogen.
300
These are the positive charges in the nucleus.
What are protons.
300
In this state the atoms are moving very fast and it requires a high temperature.
What is gas
300
NaCl
What is salt
300
The 10th element on the period table of elements.
What is neon
300
What is the atomic number of oxygen (O)
What is 8
400
These are the neutral charges in the middle of an atom.
What are neutrons.
400
In this state of matter, the atoms are moving at a medium speed.
What is liquid
400
32 degrees Fahrenheit or 0 degrees celsius.
What is the freezing point of water
400
Be
What is beryllium
400
How many protons are in Fluorine (F)?
What is 9
500
These are the negative charges on the outside of an atom.
What are electrons.
500
In this state of matter, the atoms are moving very slowly or not at all. The temperature is usually very cold or colder than the other two states of matter.
What is a solid.
500
100 degrees celsius or 212 degrees Fahrenheit.
What is the boiling point of water
500
The guy who created the periodic table of elements.
Who is Dmitri Mendeleev
500
How do you find the number of neutrons in an atom
What is subtract the atomic weight and the atomic number