Chemistry, 26.08.2019 16:30 jasmin5285
If xenon has an atomic number of 54 and a mass number of 108, how many neutrons does it have?
a. 54
b. 27
c. 100
d. 108
5. atoms that vary in the number of neutrons found in their nuclei are called
a. ions
b. neutrons
c. neutral atoms
d. isotopes
potassium has an atomic number of 19.
what is its electron configuration?
a. shells 1 and 2 are full, and shell 3 has nine electrons
b. shells 1, 2 and 3 are full and shell 4 has three electrons
c. shells 1, 2 and 3 are full and shell 4 has one electron
d. shells 1, 2 and 3 are full and no other electrons are present
which type of bond represents a weak chemical bond?
a. hydrogen bond
b. atomic bond
c. covalent bond
d. nonpolar covalent bond
Answers: 1
Chemistry, 22.06.2019 10:30
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
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Chemistry, 22.06.2019 15:10
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
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Chemistry, 22.06.2019 18:00
An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
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What is bromine+calcium iodide--> calcium bromide +iodine balanced
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If xenon has an atomic number of 54 and a mass number of 108, how many neutrons does it have?
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