In an element box, the number at top is the

• atomic number

• atomic name

• atomic mass

• atomic symbol

Tags

NGSS.MS-PS1-1

The number of neutrons in an atom can be found by

• adding the number of neutrons and protons together.

• adding the atomic mass and the atomic number.

• subtratcting the atomic number from the atomic mass.

• subtracting the atomic mass from the atomic number.

___________________ are positively charged particles located in the nucleus of an atom.

• Electrons

• Neutrons

• Protons

• Isotopes

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NGSS.MS-PS1-1

The chemical symbol in this element box is

• 26

• Fe

• Iron

• 55.845

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NGSS.MS-PS1-1

The three kinds of elements are

• metals, nonmetals, and liquid metals

• metals, nonmetals, and metalloids

• metals, solids, and liquids

• metalloids, asteroids, and nonmetals

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

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NGSS.MS-PS1-1

The atomic mass of an element is:

• the amount of electrons the element has

• the element's size

• the number of protons and neutrons an element has in its nucleus

• the element's name

Tags

NGSS.MS-PS1-1

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

Tags

NGSS.MS-PS1-1

What does this image represent?

• Atom
• Element
• Molecule
• Marshmallows

Tags

NGSS.MS-PS1-1