Lembaran kerja Kimia untuk peperiksaan kemasukan kejururawatan dengan jawapan

What kind of carbon–carbon bonds do alkanes contain?

1. AOnly single bonds
2. BAt least one double bond
3. CAt least one triple bond
4. DIonic bonds

Apakah simbol kimia bagi natrium?

1. AS
2. BSo
3. CN
4. DNa

Where are the metalloids found on the periodic table?

1. AIn the two separate rows at the bottom of the table
2. BIn group 1, at the far left edge of the table
3. CIn group 18, at the far right edge of the table
4. DAlong the staircase line between the metals and the nonmetals

Unsur manakah paling elektronegatif?

1. ABesi
2. BNatrium
3. CFluorin
4. DHelium

Which element has the most metallic character?

1. ACaesium (Cs)
2. BSodium (Na)
3. CChlorine (Cl)
4. DAluminium (Al)

How many covalent bonds does a carbon atom usually form?

1. A4
2. B2
3. C1
4. D3

Olive oil is liquid at room temperature, while butter is solid. Which explanation is correct?

1. AOlive oil has more C=C double bonds, which kink the chains so they cannot pack closely
2. BButter contains more water, which freezes at room temperature
3. COlive oil has no C=C double bonds, so its chains stay straight and pack tightly
4. DOlive oil molecules are ionic, while butter molecules are covalent

Hydrogen is usually placed at the top of group 1. Which statement about hydrogen is correct?

1. AIt always forms H⁺ ions and never shares electrons
2. BIt is an alkali metal that is solid at room temperature
3. CIt has a full outer shell like the noble gases
4. DIt has one valence electron like group 1 metals, but it is a nonmetal gas