2.1 PROTON NUMBER, NUCLEON NUMBER AND ISOTOPE

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.MS-PS1-1

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

• Protons

• Neutrons

• Electrons

• Mass

Tags

NGSS.HS-PS1-8

A neutral atom of the isotope ²⁶₁₂Mg would consist of

• 12 protons, 26 neutrons, 26 electrons
• 26 protons, 12 neutrons, 26 electrons
• 26 protons, 14 neutrons, 14 electrons
• 12 protons, 14 neutrons, 12 electrons

Tags

NGSS.MS-PS1-1

What is the mass number of the element shown?

• 15

• 7

• 8

• 0

Tags

NGSS.MS-PS1-1

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

Subatomic particle with no charge

• proton

• neutron

• electron

• nucleus

Subatomic particle with a negative charge

• proton

• electron

• neutron

• nucleus

The nucleus of an atom consist of:

• electrons

• protons and electrons

• protons and neutrons

• neutrons and electrons

Tags

NGSS.MS-PS1-1

A carbon isotope consists of 6 protons, 6 electrons and 8 neutrons.  What is the mass number for this isotope?

• 12
• 14
• 6
• 8

Tags

NGSS.MS-PS1-1

Which of the subatomic particles is the lightest

• all have the same mass
• protons 
• neutrons 
• electrons