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Elements
Page 5
Questions (1,499)
Use the terms atom and element to explain what makes silver and gold different. I've looked online but can not find an answer.
16 answers
asked by
Carlos PLEASE HELP ME
1,887 views
Which of the following elements would you expect to gain electrons in chemical changes? (Select all that apply.)
gold chromium
6 answers
asked by
Sara
6,354 views
Determine the molar mass of the following elements:
a. manganese, Mn c. arsenic, As b. cadmium, Cd d. strontium, Sr
3 answers
asked by
Jameisha
819 views
which element has 16 protons, 17 neutrons, and 16 electrons?
Look on the periodic table. It is element number 16 since that is
3 answers
asked by
lop
6,280 views
Which two elements have the same number of energy levels with electrons in them?(1 point)Responseskrypton and neonkrypton and
3 answers
asked anonymously
32 views
Based on its position in the periodic table, which element would have seven valence electrons? (1
3 answers
asked anonymously
45 views
Which element has two valence electrons?(1 point)Responsescalciumcalciumlithiumlithiumchlorinechlorineneonneon
3 answers
asked anonymously
25 views
Classify the following elements as metals, metalloids, or nonmetals
chlorine sulfur cobalt germanium nickel potassium phosphorus
3 answers
asked anonymously
57 views
Which of the following elements is most likely to form an ion that will then form an ionic bond with an ion of a Group 1A
4 answers
asked by
sel
1,859 views
What is an atomic number of oxygen?
3 answers
asked by
Jo
24 views
Which element has four valence electrons?
1. silicon (Si) 2. potassium (K) 3. sulfur (S) 4. beryllium (Be)
3 answers
asked by
mama bear
107 views
which element belongs to this group, although it has only two electrons?
3 answers
asked by
John Doswell
770 views
Can you check to see if I'm correct?
Which of these substances are elements? a. silicone b. quartz c. iodine d. water e. silicon
4 answers
asked by
Kris
4,053 views
Based on the properties of elements in the periodic table, which element is the weakest conductor of electricity?
1. francium
3 answers
asked by
mama bear
62 views
What quality do all of the elements in group 18, the noble gases, share?
1) They all have 8 valence elections 2) They all have
3 answers
asked by
mama bear
43 views
The element phosphorous (P) has an atomic number of 15 and an atomic mass of 31. How many neutrons are in an atom of phosphorous
5 answers
asked by
mama bear
98 views
Which statement about nitrogen (N) and phosphorus (P) is correct?
(1 point) Responses They are both inert. They are both inert.
3 answers
asked anonymously
50 views
the metal gold, with an atomic radius of 144.2pm crystallizes in a face-centered cubic lattice. what is the density of gold?
4 answers
asked by
Anonymous
1,629 views
Which of the following metals or nonmetals
are expected to displace Mn or Cl (respectively) from MnCl2? 1. Ca should displace Mn.
4 answers
asked by
John
3,231 views
Solid white P melts then vaporizes at high temperatures. Gaseous white P effuses at a rate that is 0.404 times that of neon in
4 answers
asked by
sally
1,660 views
H6P6: Urbium Oxide
First Part of the Question: Urbium (Ur) is an upscale element found in big cities. Its oxide (UrO2) is not
7 answers
asked by
Odesa
742 views
What are the atomic number and the atomic mass of the
element formed when 84 218Po emits a beta particle? What are they if the
4 answers
asked by
Sue L
2,260 views
Ninety-nine percent of the human body is composed of these six types of ______: oxygen, carbon, hydrogen, nitrogen, calcium, and
3 answers
asked anonymously
63 views
Which element has the same number of valence electrons as bromine (br)?
Krypton (kr) Potassium (k) chlorine (cl) selenium
3 answers
asked anonymously
60 views
How many valence electrons does the element Ba have?
6 8 3 2
3 answers
asked anonymously
24 views
Which element has similar chemical properties to Ba?
Ra Rn
3 answers
asked anonymously
43 views
Which element is more chemically reactive?
Cs Ba
3 answers
asked anonymously
26 views
40. An element has the configuration [He]2s^2.
a. Which element is it?- Beryllium b. Is it metal or nonmetal?- metal c. How many
3 answers
asked by
mysterychicken
829 views
What are elements? *
Elements are the smallest units of matter. Elements are substances made up of one type of atom. Elements are
3 answers
asked anonymously
51 views
An element that is malleable, ductile, and a good conductor of heat and electricity would be classified as a
a)metalliod
3 answers
asked by
Thelma
3,090 views
Before 1937, all naturally occuring elements had been discovered, but no one had found any trace of element 43. Chemists were
2 answers
asked by
LOVELY23
1,331 views
I am a non-metal.
I belong to the Halogen family. I am not the largest or smallest atom in my group. My first ionization energy
3 answers
asked by
Mat
1,321 views
Which element has the following electron configuration:
[Xe] 6s^(2) 5d^(1) 4f^(1)
3 answers
asked by
Jimmy
1,623 views
which of the following elements does not form bonds easily because it has a full outer shell?
a. Aluminum b. Carbon c. Helium d.
4 answers
asked by
Mickey
2,188 views
I need help on identifying four elements.
1. a member of the same family as oxygen whose most stable ion contains 54 electrons.
3 answers
asked by
Salil
5,996 views
Which element does figurative language rely on
2 answers
asked by
social studies
259 views
Why are sodium (Na) and potassium (K) in the same group on the periodic table?
3 answers
asked by
BVB fan
800 views
iron, carbon, and phosphorus involving these three elements would show that at normal room temperature
1 answer
asked by
Emily
97 views
silicon
sodium krypton potassium which element has the LEAST metallic character. A) silicon B) sodium C) krypton D) potassium
5 answers
asked by
Lainey
1,583 views
Write the symbol for the elements that fit the following descriptions
1. 10 electrons in each -3 ion 2. 18 electrons in each +2
2 answers
asked by
Marissa
885 views
What is the percent of aluminum in Al2(SO4)3?
A. 15.8% B. 28.1% C. 56.7% D. 54.0% C?
5 answers
asked by
quick help please
765 views
I just want to make sure that D is the correct answer.
Each halogen is a diatomic element. However, under normal conditions
4 answers
asked by
Cortney
2,507 views
What type of element is fluorine?
3 answers
asked by
Anonymous
539 views
Why is graphite considered an element?
3 answers
asked by
tommy
953 views
element 118 was reportedly synthesized in 1999, but the claim was later retracted. as a consequence of that experiment, element
3 answers
asked by
duane
897 views
O2, Oxygen, has a boiling point of 90K (-183°C), and nitrogen, N2, has a boiling point of 77K (-196° C). Which is a liquid and
4 answers
asked by
Anonymous
1,235 views
An isotope of iodine is I-126.how many protons, neutrons &electrons does it have
2 answers
asked by
keria
1,221 views
What is the number of valence electrons for the element beryllium? Please help.
2 answers
asked by
David
620 views
I combine with two oxygen atoms to make sand. I have four valence electrons, Whar element am I?
3 answers
asked by
mary k.
917 views
If an element has a gray luster and can be drawn into a wire, is it a nonmetal, metal, gas, or an alloy?
3 answers
asked by
sue
1,498 views
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