1) Which of the following does the nucleus contain? a) protons and electrons b) protons and neutrons c) neutrons and electrons 2) Which of the following statements is correct? a) Protons have a positive charge and neutrons are negative b) Protons have a negative charge and electrons are positive c) Protons have a positive charge and electrons are negative 3) A neutron has what charge? a) no charge b) positive c) negative 4) What is the mass of an electron? a) 1 b) -1 c) very small (so small you can ignore it) 5) What is the charge on an electron? a) +1 b) -1 c) 0 6) What is the mass of a neutron? a) 1 b) -1 c) 0 7) What is the charge on a proton? a) +1 b) -1 c) 0 8) What is the middle of the atom called? a) nucleus b) centre c) shell d) neutron 9) What is the mass of a proton? a) -1 b) 1 c) very small d) very large 10) Which sub atomic particle is NOT found in the nucleus? a) proton b) neutron c) electron

Atomic structure quiz

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