Science
An element with atomic number …………… will form a basic oxide.
- 7 (2,5)
- 17 (2,8,7)
- 14 (2,8,4)
- 11 (2,8,1)
Related Questions
On adding dilute sulphuric acid to a test tube containing a metal 'X', a colourless gas is produced when a burning match stick is brought near it. Which of the following correctly represents metal 'X'?
- Sodium
- Sulphur
- Copper
- Silver
Which one of the following correctly represents Sodium oxide?
An element 'M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of 'M' is:
- 10
- 12
- 14
- 18
Generally food is broken and absorbed within the body of organisms. In which of the following organisms is it done outside the body?
- Amoeba
- Mushroom
- Paramoecium
- Lice