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Atomic Structure and Bonding

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Atomic Structure and Bonding

Atomic structure diagram

📚 Part 1: Multiple Choice

1. Which particle has a positive charge?

Electron

Proton

Neutron

2. Where are electrons found in an atom?

In the nucleus

In shells around the nucleus

Mixed with protons

3. What type of bond forms when electrons are transferred from one atom to another?

Covalent bond

Ionic bond

Metallic bond

4. Which of these are found in the nucleus of an atom? (Select all that apply)

Protons

Neutrons

Electrons

✏️ Part 2: Fill in the Blanks and Short Answers

5. Complete the following sentences:

a) An atom of carbon has 6 protons, so its atomic number is _______.

b) The maximum number of electrons that can fit in the first electron shell is _______.

c) When atoms share electrons, they form _____________ bonds.

6. Explain the difference between ionic and covalent bonding.
7. Using the Bohr model, draw the electronic structure of a sodium atom (Na, atomic number 11). Show the nucleus and electron shells clearly.
8. A chlorine atom has 17 protons and 18 neutrons. Calculate:

a) Atomic number: _______

b) Mass number: _______

c) Number of electrons in a neutral atom: _______

🔬 Part 3: Diagram Analysis

9. Label the parts of this atom diagram. Write your answers on the lines provided:

(Imagine a simple atom diagram with nucleus in centre and electron shells)

A (centre): _______________

B (small particles in centre): _______________

C (particles orbiting outside): _______________

10. Look at the periodic table position of these elements and predict the type of bond they would form:

Sodium (Na) + Chlorine (Cl): _____________ bond

Carbon (C) + Hydrogen (H): _____________ bond

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