Compare the atoms in the picture. Which of the atoms are isotopes of each other? Select THREE answers.

• Black

• Grey

• White

• They have the same protons but different neutrons.

• They have the same neutrons but different protons.

Compare the protons and electrons of each atom in the picture. Are they the same or different in each atom? What does this mean the charge of each atom is? Select TWO answers.

• Same

• Different

• Positive Charge

• Neutral Charge

• Negative Charge

Tags

NGSS.MS-PS1-1

What is the mass of the GREY egg?

What is the atomic number of the GREY egg?

Tags

NGSS.MS-PS1-1

Use your periodic table to figure out which element the GREY egg represents.

Write the elemental symbol below. Be sure to use correct correct capital and lowercase letters.

Tags

NGSS.MS-PS1-1

Draw the Bohr model below for the black element with 5 protons, 6 neutrons and 5 electrons. Use different colors for your protons, neutrons, electrons and energy levels.

Tags

NGSS.MS-PS1-1

On the periodic table, valence electrons stay the same as you move....

• up and down a group (family)

• left and right across a period

On the periodic table, valence electrons increase or decrease by 1 as you move....

• up and down a group (family)

• left and right across a period

On the periodic table, the number of electron energy levels stays the same as you move....

• up and down a group (family)

• left and right across a period

Tags

NGSS.HS-PS1-1

On the periodic table, the number of electron energy levels increases or decreases by 1 as you move....

• up and down a group (family)

• left and right across a period

Tags

NGSS.HS-PS1-1