II Partial Regularization Quizz

What is chemistry?

• The study of human behavior and mental processes.
• The study of the Earth's physical structure and substance.
• The study of celestial bodies and their movements.
• The scientific study of matter, its properties, composition, and interactions.

Classify the next following properties of matter

Groups:

(a) Chemical properties

,

(b) Phisical properties

• Flammability

• Hardness

• Luster

• Melting point

• Radioactivity

• Toxicity

The states of matter are 4:

The ​ (a)   which has a defined shape, the ​ (b)   has the shape of the container that holds it, the ​ (c)   that occupies all the space of its container, and the ionized gas is called ​ (d)  

• Solid
• Liquid
• Gas
• Plasma

How many chemical elements are there?

• 119

• 113

• 118
• 120

What is an atomic model?

• A mathematical equation that describes the movement of electrons in an atom.
• A scientific representation of an atom's structure and behavior.
• A theory that explains the behavior of subatomic particles.
• A visual representation of an atom's size and shape.

What's an electron?

• A type of molecule that is highly reactive.
• A type of atom with a neutral charge.
• A subatomic particle that carries a negative electric charge.
• A subatomic particle that carries a positive electric charge.

What's a proton?

• A proton is a unit of measurement for electric charge.
• A proton is a subatomic particle with a positive charge.
• A proton is a type of atom.
• A proton is a subatomic particle with a negative charge.

Match the atomic models with their designers

• Rutherford

• 
• Thompson

• 
• Dalton

• 
• Bohr

• 

What's the periodic table?

• A diagram of the human body's organs.
• A chart showing the phases of the moon.
• A tabular arrangement of chemical elements.
• A list of common household items.

What's a Chemical bound?

• A chemical bond is a force of attraction between two atoms that holds them together in a molecule.
• A chemical bond is a physical barrier that prevents two atoms from interacting with each other in a molecule.
• A chemical bond is a type of energy that is released when two atoms come together in a molecule.
• A chemical bond is a force of repulsion between two atoms that pushes them apart in a molecule.