Atoms and the Periodic Table

The particles that make up an atom are

• electrons, protons, falbons
• elements, protons, electrons
• protons, neutrons, nuclei
• protons, neutron, electrons

Tags

NGSS.MS-PS1-1

The maximum number of electrons in the third energy level of an atom is

• two
• four
• eight
• ten

Tags

NGSS.HS-PS1-1

Energy levels are occupied by

• electrons
• bullingions
• neutrons
• protons

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NGSS.MS-PS1-1

Glucose has a formula of C₆H₁₂O_6.  Which element in the formula has the largest number of atoms?

• Carbon
• Hydrogen
• Oxygen
• Spadonium

Tags

NGSS.MS-PS1-1

Which of the following represent a compound?

• He
• Mg
• NaCl
• Li

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NGSS.MS-PS1-1

The atomic number is equal to

• protons
• mancinitons
• electrons
• neutrons

On the Periodic Table, elements with ______________ fall into the same groups or columns on the table

• similar properties
• similar size
• the same mass
• the same color

A substance that cannot be broken down into a simpler substance by physical or chemical means is a 

• compound
• element
• mixture
• solution

Which subatomic particles make up most of the mass of an atom?

• protons and neutrons
• protons and electrons
• neutrons and electrons
• neutrons and positrons

Tags

NGSS.MS-PS1-1

The elements of the Periodic Table are arranged in horizontal rows according to the

• atomic mass
• energy
• number of protons
• number of neutrons