DONT PRESS THE LINK 12-13

Which of the following is a period 4 representative element?
O A. C
O B. An
O C. Ti
O D. K



- Carbon (from Latin: carbo "coal") is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalen - making four electrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table. Carbon makes up only about 0.025 percent of Earth's crust.
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<h3>→XxKim02xX</h3>
Answer:
Matthias Schleiden, Theodor Schwann, and Rudolf Virchow
Explanation:
Answer:
A
Explanation:
OH is generally basic, while H is generally acidic so the greater the OH concentration, the more basic the solution will be.
Answer:
I think it's a sulphate ion, because when you add hydrochloric acid to it it produces bubbles and when you add barium chloride it then produces a white precipitate.its formula is SO4
I hope this helps