Question

Match these items. molecules are made up of these a) snow two or more different atoms chemically joined b) atoms head of a comet c) coma crystals of water that fall from the sky d) compound form of water called water vapor e) gas

Answer 1

Atoms make up molecules, while chemical bonding of two or more different atoms forms a compound. The term 'coma' relates to the head of a comet, 'snow' is defined as water crystals that fall from the sky, and the term 'gas' refers to water when it's in vapor form.

Step-by-step explanation:

When matching the items based on the statements provided, the correct associations are as follows:

• Molecules are made up of these - b) atoms
• Two or more different atoms chemically joined - d) compound
• Head of a comet - c) coma
• Crystals of water that fall from the sky - a) snow
• Form of water called water vapor - e) gas

This means that the basic unit of a molecule is an atom, and a compound refers to a substance formed when two or more atoms are chemically joined. The term 'coma' here refers to the gaseous envelope around the nucleus of a comet, while 'snow' is defined as water crystals that fall from the sky. Lastly, the term 'gas' in this context refers to the state of water when it is in the form of vapor.

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