think it maybe 48 mg0 because there should be 2g magnesium in the word equation
Answer:
Definition of half line
a straight line extending from a point indefinitely in one direction only
c. the answer is radioactive elements are useful for dating materials
Below picture contains the given models.
Answer: Option-B is the correct model.
Explanation: Solid is a state of matter in which the particles are closely packed, has definite volume and shape. Like liquids they don't flow, either they occupy the volume of container as that occupied by both gases and liquids. The inter-molecular forces between solid particles are very strong as compared to liquids ans gases. So, the model B has a particles very closely packed to each other.