2Q: What I Know (Pre-Test)

What does the flame test prove about the inner structure of atom?

• The atom has a nucleus.

• The nucleus is positively charged.

• The electrons are found outside the nucleus.

• The electrons carry discreet or fixed energy.

What happens to the energy of an electron as it goes farther from the nucleus?

• Its energy increases.

• Its energy decreases.

• Its energy becomes fixed.

• Its energy does not change.

Copper chloride when heated emits blue light. What is the origin of this blue light?

• The nucleus radiates energy.

• The electron loses energy as it moves around the nucleus.

• The electron absorbs energy as it jumps to a higher energy level.

• An excited electron loses energy as it returns to a lower energy level.

Which of the following energy levels can accommodate a maximum of 18 electrons?

• 1st energy level

• 2nd energy level

• 3rd energy level

• 4th energy level

An atom with 32 electrons has ______ energy levels.

• 1

• 2

• 3

• 4

How many sublevels are in L energy level?

• 1

• 2

• 3

• 4

How many atomic orbitals are in p sublevel?

• 1

• 2

• 3

• 4

How many electrons can the d orbital holds?

• 2

• 6

• 10

• 14

Which of the given atomic orbitals is of higher energy?

• 1s

• 2s

• 2p

• 3p

Which is the electron configuration of Oxygen (8e-)?

• 1s²2s²2p⁶

• 1s²2s²2p⁴

• 1s²2s³2p³

• 1s¹2s²2p³