What determines an atom’s identity?(1 point)

Responses

the valence number
the valence number

the number of electrons
the number of electrons

the number of protons
the number of protons

the number of neutrons

the number of protons

What can be stated for a particular element if only the group number of 14 is known?(1 point)

Responses

The element has 14 protons.
The element has 14 protons.

The element has 4 electrons.
The element has 4 electrons.

The element has 14 neutrons.
The element has 14 neutrons.

The element has 4 valence electrons.

The element has 4 valence electrons.

Why are the noble gases the least reactive elements?(1 point)

Responses

They are all radioactive.
They are all radioactive.

Their outer most energy levels are complete with 8 electrons.
Their outer most energy levels are complete with 8 electrons.

They are the last elements in each row on the periodic table.
They are the last elements in each row on the periodic table.

They have the same number of electrons as protons.

Their outer most energy levels are complete with 8 electrons.

According to the octet rule, if an atom has fewer than 8 electrons in the outer most energy level, what is likely to happen?(1 point)

Responses

It will react with other nearby atoms to give, receive or share electrons until it has a full outer shell.
It will react with other nearby atoms to give, receive or share electrons until it has a full outer shell.

It will release electrons and protons until it reaches a stable configuration.
It will release electrons and protons until it reaches a stable configuration.

Nothing will happen, unless it is radioactive.
Nothing will happen, unless it is radioactive.

It will gain or lose neutrons until it has an equivalent number of neutrons to protons.

It will react with other nearby atoms to give, receive or share electrons until it has a full outer shell.

Use the simulation to answer the question.

Build an Atom

On the home screen, select “Atom.” Using as many electrons, neutrons, and protons and possible, what is the largest neutral atom you can build?

(1 point)
Responses

sodium (Na)
sodium (Na)

neon (Ne)
neon (Ne)

magnesium (Mg)
magnesium (Mg)

fluorine (F)
fluorine (F)

To answer this question, I would need access to the simulation you mentioned. However, as an AI text-based model, I don't have direct access to external resources or the ability to interact with simulations. I can provide information based on general knowledge, so if you have any other questions, feel free to ask!

On the home screen, select “Atom.” Using as many electrons, neutrons, and protons and possible, what is the largest neutral atom you can build?

(1 point)
Responses

sodium (Na)
sodium (Na)

neon (Ne)
neon (Ne)

magnesium (Mg)
magnesium (Mg)

fluorine (F)
fluorine (F)