Check for Understanding-Ions and Isotopes

Using the attached symbol. What is this atoms atomic number?

• 56

• 26

• 30

• 2

Using the attached symbol. What is this atoms mass number?

• 56

• 26

• 30

• 2

Using the attached symbol. How many neutrons does this atom have?

• 56

• 26

• 30

• 24

Using the attached symbol. How many electrons does this atom have?

• 56

• 26

• 30

• 24

Silver-108 is a neutral atom. With that information; how many protons does the atom have?

• 108

• 47

• 61

• 155

Silver-108 is a neutral atom. With that information; how many electrons does the atom have?

• 108

• 47

• 61

• 155

Silver-108 is a neutral atom. With that information; how many neutrons does the atom have?

• 108

• 47

• 61

• 155

Using the attached picture. How many protons does this atom have?

• 140

• 58

• 82

• 55

Using the attached picture. How many electrons does this atom have?

• 140

• 58

• 82

• 55

Write the hyphen notation for the isotope that has 39 protons and 50 neutrons.

• Yttrium-11

• Tin-39

• Tin-89

• Yttrium-89

Tags

NGSS.HS-PS1-8