WorksheetsMatter, Atoms and the Periodic Table
Total questions: 100
Worksheet time: 1hrs 18mins
The position of the parts of an atom; each element has a different number of protons, neutrons, and electronics
pure substance
atomic arrangement
element
proton
A pure substance that cannot be separated or broken down into simpler substances (made up of one type of atom)
atom
element
compound
mass
The system used to organize the elements based on how many protons their atoms have is called the Periodic Table
True
False
Na2CO3
made up of?
The periodic table consists of ___ columns, called Groups going down.
12
11
7
14
18
The elements in the Periodic Table are arranged according to their atomic number, which is the number of _________ in their nucleus.
electrons
protons
mass
protons and electrons
protons, neutrons, and electrons
_______________ elements have a full outer shell of electrons and so are very unreactive.
Group 7
Group 18
Group 1
The element ___________is what makes life go on and on.
nitrogen
carbon
oxygen
hydrogen
