STAAR Review Atoms and the Periodic Table

Presentation

•

Science

•

8th Grade

•

Medium

•

NGSS

MS-PS1-1

Standards-aligned

Kimberly Molina

Used 23+ times

FREE Resource

5 Slides • 14 Questions

STAAR Review Atoms and the Periodic Table

What is an atom?

Watch the video and be prepared to answer basic questions about the atom.

Poll

The negative particles in an atom are called protons.

True

False

Multiple Select

Check the boxes for those parts of the atom that are found in the nucleus.

protons

electrons

neutrons

electron cloud

Multiple Choice

An atom is identified by the number of---

neutrons

protons

electrons

mass number

Valence Electrons

What are they?

How do you find them using the periodic table?

Multiple Choice

Valence electrons are--

electrons found in the nucleus of an atom

all of the electrons found in the electron cloud

electrons found on the last energy level of an atom

electrons found on the first energy level of an atom

Open Ended

The periodic table can be used to quickly find the number of valence electrons. Explain how to use the periodic table to find the number of valence electrons.

Type response here

The Periodic Table

How is the table arranged?
What information can I get from this table?

Using the periodic table to find protons, neutrons and electrons.

To find: protons--look at the atomic number

To find: neutrons--subtract the atomic number from the mass number(be sure to round, no decimals)

To find: electrons--look at the atomic number, they will be the same as the protons--that is why all elements are this periodic table are neutral.

Multiple Choice

How many protons, neutrons, and electrons does Sulfur have?

16,32,16

32,16,16

16,16,16

16,16,32

Multiple Choice

How many neutrons does Copper have?

63.546

Poll

The periodic table is arranged by --

the number of neutrons

increasing atomic number

increasing mass number

Fill in the Blanks

Type answer...

has 5 protons and is found in group 13.

Fill in the Blanks

Type answer...

is in group 15 and has 33 electrons.

Fill in the Blanks

Type answer...

is in period (row) 2 and has a mass number of 27.

Fill in the Blanks

Type answer...

is a metal and has 20 electrons.

Fill in the Blanks

Group

Type answer...

is the most reactive group on the periodic table.

Fill in the Blanks

Group

Type answer...

is the least reactive group on the periodic table.

STAAR Review Atoms and the Periodic Table

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