Year 11 facts to know

Last updated over 1 year ago

7 Nsɛmmisa

Laabri

Year 11 facts to know

Last updated over 1 year ago

7 Nsɛmmisa

Asemmisa {{asɛmmisaAhyɛnsode}}

Which of the following is the approximate size of a nucleus? (1 Point)

2 × 10^-15 m

0.1 nm

1.0-100 nm

0.1 mm

Asemmisa {{asɛmmisaAhyɛnsode}}

Which of the following is the approximate size of a nanoparticle? (1 Point)

2 × 10^-15 m

0.1 nm

1.0-100 nm

0.1 mm

Asemmisa {{asɛmmisaAhyɛnsode}}

Which of the following is the approximate size of an atom? (1 Point)

2 × 10-15 m

0.1 nm

1.0-100 nm

0.1 mm

Asemmisa {{asɛmmisaAhyɛnsode}}

How many moles of carbon are there in 12g of carbon? (1 Point)

0.1

6.02 x 10²³

Asemmisa {{asɛmmisaAhyɛnsode}}

How many carbon atoms are there in 12g of carbon?

0.1

6.02 x 10²³

Asemmisa {{asɛmmisaAhyɛnsode}}

How many carbon atoms are there in 22g of carbon dioxide?

0.1

3.01 x 10²³

6.02 x 10²³

Asemmisa {{asɛmmisaAhyɛnsode}}

If a hydrocarbon has a molecular mass of 42 and an empirical formula of CH₂, what is the molecular formula of the compound?

CH₂

C₂H₄

C₃H₆

C₄H₈

Asemmisa {{asɛmmisaAhyɛnsode}}

Which of the following is the approximate size of a nucleus? (1 Point)

2 × 10^-15 m

0.1 nm

1.0-100 nm

0.1 mm

Asemmisa {{asɛmmisaAhyɛnsode}}

Which of the following is the approximate size of a nanoparticle? (1 Point)

2 × 10^-15 m

0.1 nm

1.0-100 nm

0.1 mm

Asemmisa {{asɛmmisaAhyɛnsode}}

Which of the following is the approximate size of an atom? (1 Point)

2 × 10-15 m

0.1 nm

1.0-100 nm

0.1 mm

Asemmisa {{asɛmmisaAhyɛnsode}}

How many moles of carbon are there in 12g of carbon? (1 Point)

0.1

6.02 x 10²³

Asemmisa {{asɛmmisaAhyɛnsode}}

How many carbon atoms are there in 12g of carbon?

0.1

6.02 x 10²³

Asemmisa {{asɛmmisaAhyɛnsode}}

How many carbon atoms are there in 22g of carbon dioxide?

0.1

3.01 x 10²³

6.02 x 10²³

Asemmisa {{asɛmmisaAhyɛnsode}}

If a hydrocarbon has a molecular mass of 42 and an empirical formula of CH₂, what is the molecular formula of the compound?

CH₂

C₂H₄

C₃H₆

C₄H₈