In standard nuclear notation, what does X represent?

• The position of the element of the periodic table

• The name of the element

• The chemical symbol for the element

• The date of discovery of the element

• The physical property of the element

In standard nuclear notation, what does A represent?

• The number of nucleons

• The number of neutrons

• The number of protons

• The number of electrons

• The number of quarks

In standard nuclear notation, what does Z represent?

• The number of nucleons

• The number of neutrons

• The number of protons

• The number of electrons

• The number of Positrons

An element with a mass number of 10 and an atomic number of 6 has how many protons?

• 5

• 8

• 6

• 10

• 4

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

Tags

NGSS.MS-PS1-1

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20

• 10

• 5

• 25

• 35

What important force cannot be explained by the standard model?

• gravity

• electromagnetic

• weak-nuclear

• strong-nuclear

• friction

What is the most famous lepton?

• muon

• up quark

• proton

• electron

• pion

An electron is an example of a lepton. What categorizes a particle as being a lepton?

• Leptons are not influenced by the strong force (no strong interactions).

• Leptons are not influenced by electromagnetic force (no E&M interactions).

• Leptons are not influenced by the weak force.

• Leptons are made of quarks.

• Leptons are the part of baryon family.

What happens when a particle meets its anti-particle?

• annihilation of both particles

• They combined to form a quark

• They combined and form matter.

• The repel and move away.

• It is not possible that they can meet