Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

In a solution, what is the solvent?

1. AThe substance that does the dissolving, usually present in the larger amount
2. BAny solid that will not dissolve, however long it is stirred
3. CThe gas given off when a solid dissolves
4. DThe substance that is dissolved, usually present in the smaller amount

What is oxidation, in terms of electrons?

1. ALoss of protons
2. BLoss of electrons
3. CGain of electrons
4. DGain of neutrons

Bir atomda 6 proton, 6 nötron ve 6 elektron var. Kütle numarası nedir?

1. A6
2. B0
3. C18
4. D12

For the gas reaction N₂ + 3H₂ ⇌ 2NH₃, what is the effect of increasing the pressure?

1. AThe equilibrium shifts to the right, toward NH₃
2. BThere is no effect on the equilibrium
3. CThe NH₃ breaks down completely
4. DThe equilibrium shifts to the left, toward N₂ and H₂

88 g karbondioksitte (mol kütlesi 44 g/mol) kaç mol vardır?

1. A3872 mol
2. B44 mol
3. C0,5 mol
4. D2 mol

What is the mass of 0,5 mol of NaCl (molar mass 58,5 g/mol)?

1. A117 g
2. B29,25 g
3. C0,5 g
4. D58,5 g

In Rutherford's gold foil experiment, most alpha particles passed straight through the foil but a few bounced back. What did this show?

1. AAn atom is mostly empty space with a small, dense, positive nucleus
2. BAtoms are solid, indivisible spheres
3. CElectrons are spread evenly through a positive "pudding"
4. DElectrons move in fixed circular orbits

Bir elementin elektron dizilişi 2, 8, 7'dir. En olası olarak hangi iyonu oluşturur?

1. A7+ yüklü bir iyon
2. B2− yüklü bir iyon
3. C1+ yüklü bir iyon
4. D1− yüklü bir iyon