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Questions and Answers

Which of the following is NOT a subatomic particle?

Nucleus (correct)

Neutron

Electron

proton

What is the charge of an electron?

it depends on the atom

Neutral

Negative (correct)

Positive

Which element is essential for plant growth? a) Carbon b) Oxygen c) Phosphorusd) Nitrogen

K (correct)

Who is credited with proposing the first scientific theory about the atom?

John Dalton Signup and view all the answers

What is the chemical symbol for sodium?

Na Signup and view all the answers

Where is most of the mass of an atom concentrated?

In the nucleus Signup and view all the answers

Fertilizers are primarily used to provide plants with:

Essential nutrients Signup and view all the answers

the nucleus of an atom contains

Protons and neutrons Signup and view all the answers

What is the charge of a neutron?

uncharged Signup and view all the answers

Which of the following statements about matter is TRUE?

Matter can exist in solid, liquid, and gas states. Signup and view all the answers