How is the periodic table organized?
A(n) ________ is a substance made up of only one type of atom.
The number of ______ determines the element.
Match the term to the definition
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
A negatively charged subatomic particle | arrow_right_alt | atom |
negatively charged ion | arrow_right_alt | proton |
A substance that cannot be broken down into simpler substances | arrow_right_alt | electron |
The electrons in the outermost shell | arrow_right_alt | neutron |
A positively charged subatomic particle | arrow_right_alt | isotope |
A neutrally charged subatomic particle | arrow_right_alt | ion |
Atoms of the same element with different numbers of neutrons | arrow_right_alt | element |
The basic unit of a chemical element | arrow_right_alt | valence electrons |
An atom or a group of atoms that has a positive or negative charge | arrow_right_alt | cation |
positively charged ion | arrow_right_alt | antion |
Hydrogen is located in Group_________of the Periodic Table.
Which scientist is credited with inventing the Periodic Table?
Elements in Group 18 on the periodic table are known as
Sodium has how many valence electrons?
Boron has how many valence electrons?