How many of the following have lone pairs on the central atom? NCl 3 SO 2...

How many of the following have lone pairs on the central atom?

NCl ₃ SO ₂ CO ₂ CH ₄

		0
		1
		2
		3
		4

A 0.529 g sample of gas occupies 125 mL at 600 mmHg and 25°C. What is the molar mass of the gas?

		110 g/mol
		11 g/mol
		81 g/mol
		130 g/mol

What period 3 element is described by the following ionization energies (all in kJ/mol)?

IE₁ = 1012 IE₂ = 1900 IE₃= 18010

		Mg
		Cl
		P
		S
		Si

hellllllp

Expert Solution

queen_honey_blossom answered 2 years ago

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