Elements
He?
What is Helium
Which subatomic particle has a positive charge?
What is a Proton
How many atoms are in 2H2O?
What is 6 atoms
What is the symbol for Oxygen?
What is O
What are the three parts of an atom?
What is a Proton, Electron, Neutron
H?
What is Hydrogen
Which subatomic particle has a negative charge?
What is a electron
How many atoms are in 2CO2?
What is 4 atoms
What is the symbol for Lithium?
What is Li
When you draw a dot model of an atom, you need to know the chemical symbol and the....?
What is the Number of Valence Shells
Cl?
What is Chlorine
Which subatomic particle has a neutral charge?
What is a Neutron
How many atoms are in 2NaCl?
What is 3 atoms
What is the symbol for Sodium?
What is Na
Where are neutrons located?
What is Nucleus
What is the lightest element?
What is Hydrogen
What These particles have a negative charge, no mass and located outside the nucleus?
What is electrons
How many atoms are in 3MgSO4?
What is 8 atoms
What is the symbol for Carbon?
What is C
The atomic number is determined by the number of what?
What is Protons
What is the heaviest element?
What is Oganesson
An atom with the same number of protons and electrons is considered?
What is neutral
How many atoms are in 2MG(SO4)2?
What is 13 atoms
What is the symbol for Potassium?
What is K
What is the charge of the proton, neutron, and electron in an atom?
What is Proton-positive Neutron-none/neutral Electron-negative