Fill in the blank: ______ are the basic building blocks of almost all the matter around you. (Refer to the image of the atom model below.)

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NGSS.MS-PS1-1

Based on the diagram, what type of charge does an electron have?

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NGSS.MS-PS1-1

NGSS.MS-PS2-3

According to the diagram, what is the particle in the nucleus that is electrically neutral?

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NGSS.MS-PS1-1

According to the diagram, what is the charge of a proton?

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NGSS.MS-PS1-1

Slide 6 - This is the term for how many protons and neutrons are present in an atoms nucleus.

Slide 8: An ________ is a substance that cannot be broken down into simpler substances.

Slide 9: ___________ are pure substances made up of 2 or more different elements.

SLIDE 9: Based on the diagram, is the (a)   (Hydrogen) is a ​ (b)   because it is made from ​ (c)   atoms of the same element .

• Element
• compound
• 2
• 1
• 8
• substance

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NGSS.MS-PS1-1

SLIDE 10: The atomic number of a substance is the number of _______ it has inside the nucleus.

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NGSS.MS-PS1-1

Slide 11: The vertical column in the periodic table is called a _______.