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Elements
Page 10
Questions (1,499)
Which types of baryonic matter are most abundant in the universe? Select the two correct answers.
carbon hydrogen nitrogen helium
3 answers
asked by
kfc
55 views
Which substance in the data table above represents an ion with a +1 charge?
A. Lithium B. Fluorine C. Potassium D. Sulfur
3 answers
asked anonymously
34 views
Which element in the diagram above will gain only 1 electron in its valence shell to complete its octet?
A. Silicon B.
3 answers
asked anonymously
37 views
List the following element 1) xuy 2) yut 3) xut 4) ynt
1 answer
asked by
akinsipe rhoda
288 views
"element are pure substances that can't be broken down chemically into simpler kinds of matter."
what does it mean by "can't be
2 answers
asked by
miyabi
578 views
Using the normal notation of quantum number find the element which has the following value of quantum number
n=3 l=2 m=2 s=+1/2
1 answer
asked by
Collins
374 views
A metal X with relative atomic mass 56 forms an oxide with formula X2O3 . All grams of the metal combine with 105 of CO2 (O=16)
1 answer
asked by
Akponojivi
702 views
Which statements describe an element? Check all that apply. An element is a pure substance. An element is made of only one type
20 answers
asked anonymously
88 views
Which of these is not a property of hydrogen
1 answer
asked by
Ekom
275 views
The abundant metal in sea is
1 answer
asked by
Ekom
399 views
What quality differentiates hydrogen from other elements in group one
3 answers
asked anonymously
64 views
a compound salt Xcl2 contains 203% chloride what is element x?
1 answer
asked by
mary
335 views
I'm having a hard time figuring out what Au means
2 answers
asked by
jasmina
484 views
why is carbon so abundant in living things when oxygen is the most abundant element on earth
2 answers
asked by
ciara
1,241 views
an element 'x' react with water to form a solution which turns phenolphthalein indicator pink .The element 'x' is most likely
a)
6 answers
asked by
kristi
1,049 views
what is the principle involved in the detection of phosphorus?
the visible result of it is canary yellow
1 answer
asked by
Anonymous
385 views
In complete sentences, explain 4 characteristics for the element Magnesium (Mg).
You may pick 4 of any of the following
3 answers
asked by
quandale dingle
44 views
Sodium!!
S- O- D- I- U- M-
5 answers
asked by
Valerie
405 views
In complete sentences, explain 4 characteristics for the element Magnesium (Mg).
You may pick 4 of any of the following
7 answers
asked by
quandale dingle
36 views
What is the name of an element if it has 7 protons, 7 electrons, 6 neutrons, and an atomic weight of 13?
3 answers
asked anonymously
20 views
3-5 sentence paragraph about magnesium
3 answers
asked anonymously
20 views
What element has 81 protons in the nuclei of its atoms?
A. Thallium B. Uranium C. Platinum D. Lead A?
10 answers
asked by
To Ms.Sue
668 views
Silver is composed of a single type of atom and cannot be broken down into different substances. Silver is an example of a(n)
1 answer
asked by
me
420 views
Which of the following substances is an element?(1 point) Responses protein protein insulin insulin salt salt hydrogen hydrogen
3 answers
asked by
trippie
50 views
alumino is diagonally related to
1 answer
asked by
kishan sahu
299 views
3 sentence paragraph about magnesium
3 answers
asked anonymously
16 views
Calcium chloride is 36.11% calcium by mass. How many grams of calcium are in 40.0 grams of calcium chloride
1 answer
asked by
Lisa
688 views
which is more reactive k or ca? ( from periodic table.) when poured in water?
1 answer
asked by
Sally
360 views
When either chlorine or hydrogen chloride is passed over a heated metal M, the same chloride is produced. An aqueous solution of
2 answers
asked by
Ariana
632 views
Peat is mostly
oxygen carbon nitrogen
3 answers
asked by
blackveilbridesarmymember
352 views
indium(atomic wt.= 114.82 u ) has two naturally occuring isotopes, the predominant one from has isotopic wt. 114.9041 and
5 answers
asked by
veer
3,166 views
A sodium ion, Na+, has a positive charge because it
3 answers
asked by
dully
42 views
Name any 3 mineral elements that are required for the formation of membremes.
2 answers
asked by
Matebane Jack
559 views
Which of the following elements is not likely to form bonds?
gold oxygen neon mercury
2 answers
asked by
Kali
611 views
what important nonmetal is in brilliant yellow acrylic paint that contains titanium dioxide
1 answer
asked by
Brandon
777 views
The element radium has a mass number of 226 and an atomic number of 88. How many neutrons does an atom of radium have?(1 point)
R
3 answers
asked by
dully
46 views
Based on properties of elements in the periodic table, which element is the best conductor of thermal energy?(1
3 answers
asked anonymously
55 views
Which group of elements has the most similar chemical properties? (1 point)Responsesuranium, plutonium, and leaduranium,
3 answers
asked anonymously
42 views
Helenium has an atomic number two. What can be inferred about helium from this fact?
1 answer
asked by
Anonymous
452 views
i'm depressed that no-one has answered my science question so i'm giving up and i don't care if i fail my science because it
4 answers
asked by
Olivia
402 views
What are the groups of atoms inside iron called?
4 answers
asked by
jo
302 views
One element generally not found in caste systems is: (Points : 1)
the association of one’s social position with one’s
2 answers
asked by
Hope
997 views
Which of the following elements is a nonmetal?
Fe Li Cl Si
3 answers
asked by
Kaelyn
456 views
Does Chlorine (Cl) have the same valence electrons as bromine (Br)?
3 answers
asked by
MrTopHat
26 views
Which element has the same valence electrons as bromine (Br)?
3 answers
asked by
MrTopHat
136 views
Although there are over 100 elements in the universe, organic matter usually contains a limited number of these elements and
3 answers
asked anonymously
45 views
This element is found in all living things. It is recycled when organisms die. It is transformed from one form to another
3 answers
asked anonymously
37 views
The following elements as alkali, alkaline-earth or transition metals based on their positions in the periodic table:
A:) iron ,
9 answers
asked by
makayla
2,217 views
who discovered the element gold and when?
Ive tried looking it up but a lot of answers are: Known to the Ancients and they give
4 answers
asked by
SPIKE
497 views
1.5 grams hydrogen
12 oxygen 2gram hydrogen 16 gram oxygen 2.5grams hydrogen 20grams oxygen
1 answer
asked by
dionna
337 views
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