Question

answer maximum number of questions as you can seventy point of all answers

Answer 1

Answer:

(1)   ( 1 ,-2 )   ( -3,4)

           ↓       ↓

Answer 2

What's the lightest element in the periodic table?

a) Helium

b) Hydrogen

c) Air

d) Neutrons

2. What is the atomic number of carbon?

a) 2

b) 6

c) 12

d) 14

3. Which element in the periodic table was named in honour of physicist Albert Einstein?

a) Albertium

b) Relativium

c) Physicsium

d) Einsteinium

4. Which of the following is the newest element to be discovered and synthesised?

a) Flerovium (114)

b) Ununpentium (115)

c) Livermorium (116)

d) Ununseptium (117)Answer:

Step-by-step explanation: