Periodic Table Assessment 1

Last updated almost 4 years ago
9 questions
Required
1

How is the periodic table organized?

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1

A(n) ________ is a substance made up of only one type of atom.

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1

The number of ______ determines the element.

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10

Match the term to the definition

Draggable itemCorresponding Item
Atoms of the same element with different numbers of neutrons
atom
A positively charged subatomic particle
proton
A negatively charged subatomic particle
electron
positively charged ion
neutron
The basic unit of a chemical element
isotope
An atom or a group of atoms that has a positive or negative charge
ion
A neutrally charged subatomic particle
element
The electrons in the outermost shell
valence electrons
negatively charged ion
cation
A substance that cannot be broken down into simpler substances
antion
Required
1

Hydrogen is located in Group_________of the Periodic Table.

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1

Which scientist is credited with inventing the Periodic Table?

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1

Elements in Group 18 on the periodic table are known as

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1

Sodium has how many valence electrons?

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1

Boron has how many valence electrons?