Question

a. which letter represents the products in the chemical reaction?
b. which letter represents the reactant’s in the chemical reaction?
c. what was added to letter D
d. Does the graph represent an endothermic or exothermic reaction? Explain how
you know. (2 points)

Answer 1

Answer:asasdwasdwasdwasdwadaWhich of the following statements about the periodic table is true?

 Elements in the same column are similar in their properties.

 Elements in the same row are similar in their properties.

 Elements that start with the same letter are similar in their properties.

 Elements that have the same atomic mass are similar in their properties.

Explanation:Which of the following statements about the periodic table is true?

 Elements in the same column are similar in their properties.

 Elements in the same row are similar in their properties.

 Elements that start with the same letter are similar in their properties.

 Elements that have the same atomic mass are similar in their properties.

Which of the following statements about the periodic table is true?

 Elements in the same column are similar in their properties.

 Elements in the same row are similar in their properties.

 Elements that start with the same letter are similar in their properties.

 Elements that have the same atomic mass are similar in their properties.

Answer 2

I’m pretty sure that the anwser is b