BRAINLIEST IF CORRECT HURRY
4. Which of the following is true about lanthanides?
a. They have...
BRAINLIEST IF CORRECT HURRY
4. Which of the following is true about lanthanides?
a. They have low melting and boiling points.
b. They are very common elements.
c. They are highly electropositive.
d. They are all radioactive.
5. How can the atomic orbital be described in the quantum mechanical wave model of the orbitals?
a, A collection of balloons
b. A planetary orbital
c. A probability density
d. A circular ring
9. Which of the following elements is the most electronegative: aluminum, beryllium, oxygen, or fluorine?
a. aluminum
b. fluorine
c. oxygen
d. beryllium
Answers: 3
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Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.
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Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat
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What three things determine the shape and size of a puddle when water is poured out onto a surface
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