Which of the following characteristics was not included in dmitri mendeleev's periodic table?

a. elements arranged by increasing atomic mass

b. elements placed in columns based on chemical properties

c. distribution of elements determined by electron configuration

d. heavier elements placed in rows closer to the bottom of the table

d is what i choose but i want to make sure i am right

Describe how alleles and genes are related

Me the formula cacl2 represents the compound

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.