Ions and Isotopes

Noble gases are...

• Happy and stable because they have full valence electrons

• Happy BUT UNSTABLE because they are gases

• Not happy because they don't want to be noble

• Not happy but stable because they are group number 18

Tags

NGSS.MS-PS1-1

This isotope have how many neutrons?

• 26

• 12

• 14

• 16

Tags

NGSS.MS-PS1-1

For Cl 37, what does the 37 represent?

• Number of Protons

• Number of Neutrons

• Number of Electrons

• Atomic Mass Number

Tags

NGSS.MS-PS1-1

Which element is located at period 4 group 6? [click the picture to zoom in]

• Cr

• Sg

• Hf

• Ta

Match each definition with the correct term

• Ion

• A positively charged atom

• Anion

• A negatively charged atom

• Isotope

• An atom of an element with a different amount of neutrons

• Cation

• An atom that has lost or gained an electron

Tags

NGSS.MS-PS1-1

Match the change to each type of atom

• Element

• Different number of protons

• Ion

• Different number of electrons

• Isotope

• Different number of neutrons

Match the following parts of the symbol to the correct term

• neutrons

• protons

• atomic number

• 14

• 13

• 13

• mass number

• 27

• ion charge

• 3+

Tags

NGSS.MS-PS1-1

How many neutrons does this bromine atom have?

• 35

• 45

• 80

• 115

Tags

NGSS.MS-PS1-1

How many electrons does this magnesium ion have?

• 24

• 12

• 10

• 14

Tags

NGSS.MS-PS1-1

What happened to this Magnesium atom to make it an ion?

• It LOST electrons

• It GAINED electrons

• It GAINED protons

• It LOST protons

Tags

NGSS.MS-PS1-1