The diagram below shows a Venn diagram to compare the properties of solids, liquids, and gases. What property, which only solids have, is in position 1?

definite shape

definite volume

particles that do not move

particles are always in motion

definite shape.

Explanation:

This is one of those questions where

1. It depends on what you have been told.

2. it depends on what the marker thinks the answer is.

As long as a substance is above absolute zero, there is some movement at the atom level. It may not be much, and it may be very confined, but the particles do move. That is the second best answer, and very possibly right.

I think your best answer is that solids have a definite shape. When you consider gasses and liquids, they have no definite shape at all. A liquid will take on the shape of the container it is in. So will gasses.

Only solids have a definite shape.. I would pick that, but don't be surprised if it is not right.

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

→

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.