Podcast
Questions and Answers
Which statement about particles is NOT consistent with the particle theory of matter?
Which statement about particles is NOT consistent with the particle theory of matter?
- Particles are always moving.
- All particles of one substance are the same.
- Particles move faster at low temperatures compared to high temperatures. (correct)
- Particles are attracted to one another.
Which type of mixture appears the same throughout?
Which type of mixture appears the same throughout?
- Pizza
- Carbon dioxide gas
- Saltwater
- Tap water (correct)
Which is a quantitative physical property of matter?
Which is a quantitative physical property of matter?
- Colour
- Strength
- State
- Volume (correct)
Which chemical property relates to the ability of a substance to catch fire and burn?
Which chemical property relates to the ability of a substance to catch fire and burn?
What type of change involves a transformation in the form of a substance and is reversible?
What type of change involves a transformation in the form of a substance and is reversible?
Which of the following is an example of a compound?
Which of the following is an example of a compound?
What type of change involves dissolving, melting, condensation, and freezing?
What type of change involves dissolving, melting, condensation, and freezing?
Which of the following is NOT an indicator of a chemical change?
Which of the following is NOT an indicator of a chemical change?
Who came up with the theory that all matter is made up of tiny, indivisible particles called atoms?
Who came up with the theory that all matter is made up of tiny, indivisible particles called atoms?
According to Dalton's atomic theory, atoms of the same element are identical in mass and size. True or False?
According to Dalton's atomic theory, atoms of the same element are identical in mass and size. True or False?
Who discovered that atoms contain negative particles called electrons and proposed the raisin BUN model?
Who discovered that atoms contain negative particles called electrons and proposed the raisin BUN model?
What experiment did Ernest Rutherford develop to test J.J. Thompson's model?
What experiment did Ernest Rutherford develop to test J.J. Thompson's model?
Which famous chemist came up with the idea that matter is made up of tiny particles that cannot be broken down anymore, and called these particles atoms?
Which famous chemist came up with the idea that matter is made up of tiny particles that cannot be broken down anymore, and called these particles atoms?
According to Dalton's atomic theory, atoms can be created, destroyed, or subdivided into smaller particles during a chemical change. True or False?
According to Dalton's atomic theory, atoms can be created, destroyed, or subdivided into smaller particles during a chemical change. True or False?
'The smallest part of a chemical is an atom' is attributed to which famous chemist?
'The smallest part of a chemical is an atom' is attributed to which famous chemist?
Who noticed that a beam of particles was attracted to a positive plate and discovered that atoms must contain electrons?
Who noticed that a beam of particles was attracted to a positive plate and discovered that atoms must contain electrons?