Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Chemistry
which alkali metal form superoxidess?(2)explain why rubidium has a short life?
1 answer
Li does not. The others do although not enough Fr has been available to know. CsO2 is noted only by webelements.com as far as I know.
You can
ask a new question
or
answer this question
.
Similar Questions
Alkali metals react with water to form hydrogen gas and the hydroxide of the metal. When 3.55 grams of an alkali metal reacts
Top answer:
2X + 2H20 = 2XOH + H2 So two moles of X reacts with water to produce 1 mole of hydrogen. Let R =
Read more.
A laser emitting light with a wavelength of 480 nm is directed toward the surface of rubidium metal. The work function for
Top answer:
No question.
Read more.
It takes 208.4 kJ of energy to remove one mol of electrons from the atoms on the surface of rubidium metal. If rubidium metal
Top answer:
208,400 J/mol x (1/6.02E23) = ? work function. E of photon = hc/wavlength = 6.626E-34*3E8/254E-9 = x
Read more.
Which of the following is the least electronegative element in the periodic table?
a. calchogens b. alkali earth metal c. alkali
Top answer:
b. alkali earth metal
Read more.
Why are the metallic bonds in an alkali metal relatively weak?
Alkali metals’ outer energy levels are already full. Alkali
Top answer:
The metallic bonds in alkali metals are relatively weak because alkali metals have low ionization
Read more.
It takes 208.4 kJ of energy to remove 1 mole of electrons from an atom on the surface of rubidium metal. What is the maximum
Top answer:
the answer should be 574.4
Read more.
Use the drop-down menus to classify the elements as alkali metals, alkaline earth metals, or transition metals.
Nickel (Ni):
Top answer:
alkaline earth metal
Read more.
Which of the following statements about alkali metals is true?
alkali metals have full valence shells alkali metals form 1-
Top answer:
To determine which statement about alkali metals is true, we need to analyze each statement and
Read more.
Which statement correctly compares an atom of an alkali metal with an atom of the alkaline earth metal next to it on the
Top answer:
The correct statement is: The alkali metal atom forms a +1 ion, while the alkaline earth metal atom
Read more.
Oxygen, a nonmetal in Group 6A (VI) will form a
2. Barium, a metal in Group 2A (II) will form a: Barium, a metal in Group 2A (II)
Top answer:
1. Oxygen, a nonmetal in Group 6A (VI) will form a: 2- ion by gaining 2 valence electrons. 2.
Read more.
Related Questions
1) When an alkali metal is involved in a chemical reaction with a nonmetal, what charge will its atoms most likely form?
1- 2+ 1+
Rubidium metal, Rb, crystallizes in a body-centered cubic arrangement. What is the radius of one atom of Rb, if its density is
Why is Hydrogen (H) different from other elements in group 1 (alkali metals)?
(1 point) Responses [It is the most reactive
A sample originally contained 2.5 g of rubidium 87 now contains 1.25 g. The half life of rubidium - 87 is 6 x 10 ( to the 10th)
rubidium is the fourth element in group 1. predict the following properties of rubidium and its compunds:
A. appearence B.
Identify all the terms that apply to each element. Check all of the terms that apply to boron. alkali metal alkaline earth
Identify all the terms that apply to each element. Check all of the terms that apply to potassium. alkali metal alkaline earth
The graph below shows the radioactive decay of rubidium-87.
What percentage of rubidium-87 atoms will be left after three
Which element would most likely lose electrons to form positive ions when bonding with other elements?
• rubidium (Bb) O iodine
Iodine (I)
a. Alkaline Earth Metal b. Halogen c. Alkali Metal d. Transition Metal e. Noble Gas