Year 7 Particles Review | Baamboozle - Baamboozle

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Particles

Study Slideshow

Which of the following can be the most compressed? a) gas b) liquid c)solid

gas

The phase change from liquid to gas

boiling

The net movement of anything from a region of higher concentration to a region of lower concentration

diffusion

How many atoms are there in NaHSO3?

What state of matter is the flask in middle?

liquid

Which of the following is NOT a diatomic molecule? hydrogen, sulfur, bromine, nitrogen

sulfur

If the melting point of substance X is 550 C, what state would it be in at 450 C?

solid

How does the composition of particles change when they change from solid to liquid?

Trick question! They do not... the particle composition stays the same in phase changes. What does change is the physical properties.

What state of matter takes the shape of its container?

liquid

What phase change is showing in this image?

sublimation

Name at least 2 factors that affect the speed of diffusion.

Any 2 of the following: 1) Particle Size 2) Temperature 3) The state of the diffusing substance

The reason a balloon increases in size when you put more gas molecules into it, is because the particles move more quickly and _______________ with each other and the balloon. Fill in the blank.

collide

Which substance has the lowest boiling point?

neon

Which substance has the highest melting point?

platinum

Name all the substances that are in the gas state at 0 C.

Krypton and Neon

The phase change from solid to liquid

melting