B) a molecule
A molecule is formed when two atoms join together with a covalent bond.
Answer
Same amount of protons and neutrons
Explanation
Atoms are electrically neutral because they have equal numbers of protons (positively charged) and electrons (negatively charged). If an atom gains or loses one or more electrons, it becomes an ion.
7. Neutralisation. Which would (obviously) appear GREEN on the chart.
Answer:
The particles in a liquid move very quickly due to heat while it is boiling and gradually turns to gas
Answer:
Troposphere
Explanation:
The troposphere is the lowest layer of Earth's atmosphere that extends from under the stratosphere down to the surface of the earth. Nearly all weather condition takes place in the troposphere. The troposphere contains about 75% of the atmosphere's mass and 99% of the total mass of water vapour and aerosols in the atmosphere.