Objects with the same charge do this when they come close to each other.
What is repel?
100
Three subatomic particles.
What are protons, neutrons, and electrons?
100
The sum of protons and neutrons in the nucleus of an atom.
What is the atomic mass number?
100
What are all of the required pieces of a rectangle on the periodic table?
What is the atomic number, the atomic/chemical symbol, the elements name, and the rounded atomic mass number.
200
Neutrons are located outside of the nucleus. True or False?
False!
200
Objects with different charges do this when they come close to each other.
What is attract?
200
Located outside of the nucleus and have a negative charge.
What are electrons?
200
The number of protons in an atom of a certain element.
What is the atomic number?
200
What would He (Helium) be categorized as on the periodic table?
What is as a noble gas?
300
Electrons are located outside of the nucleus. True or False?
True!
300
When an atom gains an electron it has this kind of electrical charge.
What is negative?
300
Located inside of the nucleus and have a positive charge.
What are protons?
300
The atomic number of Oxygen.
What is 8?
300
How many valence electrons does the element Chlorine (Cl) have?
What is seven valence electrons on its outermost shell?
400
Protons and neutrons are about the same size. True or False?
True!
400
When an atom loses an electron it has this kind of electrical charge.
What is positive?
400
Atoms of different elements have different numbers of these.
What are protons?
400
The mass number of Potassium.
What is 39.098? Therefore, 39 rounded.
400
What is the pattern, for the first five shells, of how many total electrons can fit on each respective shell? Hint: Use 2n^2 as the formula for solving.
What is 2, 8, 18, 32, 50?
500
This is the smallest subatomic particle.
What is an electron?
500
An atom that is neither positively or negatively charged.
What is neutral?
500
What subatomic particle has the most mass?
What are neutrons?
500
Mass number - atomic number = ______ __ ________.
What is the number of neutrons?
500
The representative/group member will draw the atom of the element Titanium (Ti). All parts must be included by this person in order to receive full credit. Also, all students will need to be drawing this atom by themselves why they wait for the final answer.