Exit Ticket: Atomic Model & Isotopes (CHEM)

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.MS-PS1-1

In a correctly written symbol what would be located in the "A" position?

• number of neutrons
• atomic number
• number of electrons 
• mass number

What quantities vary between isotopes of an element?

• protons, electrons, and atomic mass
• protons, electrons, and atomic number
• neutrons and electrons
• neutrons and atomic mass

How many neutrons in C-14?

• 6
• 7
• 14
• 8

If X is the symbol for an element, which of the following two symbols represent    isotopes of the same element?     I. ⁷⁷₃₅X  II. ⁷⁷₃₃X  III. ⁸¹₃₇X  IV. ⁸¹₃₅ X

• I and II
• III and IV
• I and IV
• I and III

If the number of electrons in an atom changes you make a(n) __________________.

• ion
• isotope
• new element
• isomer

9 protons and 9 neutrons

• Fluorine-18

• Fluorine-9

• Fluorine-16

• Fluorine-18.998

Tags

NGSS.MS-PS1-1

12 protons and 13 neutrons

• Mg-12

• Mg-13

• Mg-25

• Mg-24.305

Tags

NGSS.MS-PS1-1

76 protons and 114 neutrons

• Osmium-114

• Osmium-76

• Osmium-190

• Osmium-190.23

Tags

NGSS.MS-PS1-1

Isotopes of an element have a different number of...

• Protons

• Neutrons

• Electrons

• Mass

Tags

NGSS.HS-PS1-8