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Elements
Page 6
Questions (1,579)
Which two groups of elements in the periodic table are the most reactive?(1 point)
alkaline earth metals and halogens halogens
10 answers
asked by
Lettuce?
104 views
Potassium and nickel are in the same row of the periodic table. What do these elements have in common?
• They have similar
3 answers
asked by
one
356 views
“Green” material has high amounts of (1 point)
phosphorus. magnesium. nitrogen. carbon.
3 answers
asked by
I_do_study
281 views
Which of the following is the least electronegative element in the periodic table?
a. calchogens b. alkali earth metal c. alkali
4 answers
asked by
Abubakar Osemu Abdulrahman
96 views
Which halogens in solid is at room temperature between chlorine and iodine
3 answers
asked by
Rachael
87 views
which is a silvery white solid
A. Aluminum metal B. Alumina
3 answers
asked by
J.J Powell
98 views
I am not really an alkali metal, but since I have
only 1 electron I behave like them. What element am i?
3 answers
asked anonymously
90 views
what is the color of lithium when it burns in air?
what is the color of lithium when it burns in oxygen?
3 answers
asked anonymously
83 views
Which element in the table below is most likely classified
as a metalloid? A. Titanium B. Selenium C. Potassium D. Polonium
3 answers
asked anonymously
63 views
Whats my chakra nature earth, fire, water, lightning, wind
3 answers
asked by
Answers Forever
121 views
Match each part of the box with what it tells you about the element 6c 12.011 column a atomic mass atomic number symbol name of
3 answers
asked by
Amy
98 views
What conclusion can be drawn about the number of elements that make up most of the world in which we live compared to the total
5 answers
asked by
nothing important
464 views
1. Mercury is never found in electronics, thermostats, or compact fluorescent lights.
True False***
4 answers
asked by
Connexus
460 views
Cobalt (Co) has an atomic mass of 59 and an atomic number of 27. Which statement correctly describes an atom of cobalt?
2 answers
asked by
Anonymous
1,030 views
what element is most lustrous
3 answers
asked by
Anonymous
777 views
Antimony, Sb, has atomic number 51.
a)WHICH PERIOD AND BLOCK IS ANTIMONY FOUND? is it period 6 block 13??? b)DIFFERENT ISOTOPES
5 answers
asked by
0oooooooo0
857 views
Ytterbium, atomic number 70, is the first element in the Periodic table to have the first four shells full.
a) State the number
3 answers
asked by
0oooooooo0
1,141 views
When the element A is burned in an excess of oxygen, the oxide A2O3(s) is formed. 0.5386 g of element A is treated with oxygen
3 answers
asked by
Taylor Valerie
832 views
Which key difference between carbon and silicon makes carbon better suited to forming molecules for living things?
Carbon has the
3 answers
asked anonymously
67 views
create a lesson notes on metals and nonmetals
3 answers
asked anonymously
31 views
Which elements have the greatest tendency to act as reducing agents?
metals nonmetals noble gases halogens
3 answers
asked by
M, S, E
1,299 views
Ryan wants to identify an element. Which piece of information would best help Ryan identify the element?
4 answers
asked by
Claire
834 views
For which element is the gaining of an electron most exothermic?
a)Li b)N c)F d)B *explain
3 answers
asked by
Mark
2,732 views
PLEASE HELP!
Two samples of sodium chloride were decomposed into their constituent elements. One sample produced 1.78 g of sodium
4 answers
asked by
Diana
793 views
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with
4 answers
asked by
M
1,353 views
What is true about the element francium(Fr,atomic number 87)? Choose all that apply.
a. it has 7 valence electrons b. it is
2 answers
asked by
Anonymous
889 views
Potassium metal, K, is more reactive than sodium, Na. Calcium, Ca, is less reactive than
sodium. The comparative reactivity of
4 answers
asked by
Heather
1,258 views
Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form
3 answers
asked by
youlifex
474 views
Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form
6 answers
asked by
Harold
804 views
Which element is located in the family represented by ns²np³?
A) Ti B) Se C) AS D) I E) Sb
3 answers
asked by
Peter
443 views
Why are sodium(Na) and potassium(K) in the same group on the periodic table?
They have similar reactivity. They are both
11 answers
asked by
ETHAN REYES
135 views
A copper pan is made by a person. Is the pan synthetic?
No, it is not synthetic because copper is not recyclable. No, it is not
3 answers
asked by
help
192 views
Which element has the same number of valence electrons as bromine (Br)?
(1 point) Responses selenium (Se) selenium (Se) chlorine
5 answers
asked by
Lettuce?
107 views
Elijah wants to import an image to use as his background. Which of the following elements in the Tupi interface would MOST
3 answers
asked anonymously
128 views
Which element has the same number of valence electrons as bromine (Br) ?
A. selenium (Se) B. chlorine (Cl) C. potassium (K) D.
29 answers
asked by
GhostGirl
257 views
Which element is a noble gas?
(1 point) Responses radon (Rn) radon (Rn) rubidium (Rb) rubidium (Rb) hydrogen (H) hydrogen (H)
5 answers
asked anonymously
40 views
Which of the following substances is an element? (1 point)
insulin O protein O hydrogen O salt
3 answers
asked anonymously
44 views
Which property do transition metals have in common?(1 point)
Responses They are usually very soft. They are usually very soft.
10 answers
asked anonymously
67 views
Which two groups of elements in the periodic table are the most reactive?(1 point) Responses noble gases and alkali metals noble
3 answers
asked by
Susssssssssssss
74 views
What is the definition of an element?
Group of answer choices The smallest piece of matter that cannot be separated chemically or
3 answers
asked anonymously
44 views
What is the atomic number of carbon?
3 answers
asked by
Jo
17 views
What is the chemical symbol for sodium?
3 answers
asked by
Jo
29 views
What is the first element of the information processing cycle? Choose the answer.
Question 9 options: output processing storage
3 answers
asked anonymously
52 views
Element Be:
What is it's name? What is its atomic number? What is its atomic mass? How many protons does it have? How many
3 answers
asked anonymously
41 views
Element Cs:
What is it's name? What is its atomic number? What is its atomic mass? How many protons does it have? How many
3 answers
asked anonymously
41 views
Ahmed wrote a science report about elements called halogens. Instead of writing a whole paragraph about the elements’ boiling
13 answers
asked by
KAMIKA
98 views
Which two elements most likely have similar properties?
(1 point) Ca and Sc O Li and Fr OCs and Rn Fand Ne
3 answers
asked anonymously
34 views
Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share? (1 point)
O silver color O
3 answers
asked anonymously
52 views
Which property do transition metals have in common? (1 point)
They usually have high melting points. They are usually very
3 answers
asked anonymously
73 views
What Element am I?
My properties are very similiar to sodium. I am lighter than the element that has an atomic number one less
3 answers
asked by
mary k.
496 views
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