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Periodic table
Page 4
Questions (1,352)
Why is Lithium more reactive than Neon? I honestly do not understand this.
4 answers
asked by
Bayleigh C
2,347 views
what happens to the reactivity of metals from left to right across the periodic table?
4 answers
asked by
Taylor
1,262 views
I understood the question but im not very sure how i would start does anyone have tips on how to start to explain like a starter
22 answers
asked by
Keo
6,478 views
The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 amu.
7 answers
asked by
lyne
8,740 views
Select all true statements from the following:
a. ) Metals are good conductors of heat and electricity. b. ) Nonmetals generally
5 answers
asked by
Vishnu
4,130 views
Why do magnesium, phosphorus, and zinc exhibit slightly higher first ionization energies than the general trend within each of
5 answers
asked by
David
3,902 views
Select all true statements from the following:
a. ) Metals are good conductors of heat and electricity. b. ) Nonmetals generally
4 answers
asked by
Nathan
2,194 views
What is the difference between a group and a period in the periodic table?
A: The difference between a group and a period in the
7 answers
asked by
Anonymous
3,672 views
What is the Period 4 element with highest energy level filled.
My answer is Kr, but I'm not entirely sure. Is this correct?
4 answers
asked by
Ceamus Angelina
1,444 views
in an element on the periodic table, which number tells you the how many electrons are in that element??
4 answers
asked by
Jane
2,664 views
What does the study of the periodic table have to do with classification and prediction?
4 answers
asked by
Ash
531 views
Analyze each table of ionization energy data (in kJ/mol) to identify each element.
a. A Period 3 element (1 point) IE1: 496, IE2:
4 answers
asked by
Madison
1,477 views
Periodic law states that when the elements are arranged according to their atomic numbers, this allows elements with similar
4 answers
asked by
Random
3,095 views
What is the electronic configuration of an element with a second ionization energy higher than that of each of its neighbors in
4 answers
asked by
Musa
1,342 views
Potassium and nickel are in the same row of the periodic table. What do these elements have in common?
• They have similar
5 answers
asked by
one
474 views
Which two elements on the periodic table are in the same period?
4 answers
asked by
Hey
2,479 views
On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is
4 answers
asked by
Farah
1,140 views
Which element listed should have chemical properties similar to fluorine (F)
A.Li B.Si C.Br D.Ne Br, along with F, a halogen
6 answers
asked by
Brian
11,083 views
Elements in the same period in the periodic table have the same
A. number of shells B. atomic number C. chemical properties D.
7 answers
asked by
BIZHATOCOTO
1,627 views
Which element's 4+ ion would have the following electron configuration?
[Kr]4d^10
4 answers
asked by
Rucha
3,871 views
As pure elements. all of the halogens are diatomic molecular species. their melting points are: F2, 85 K, Cl2 239 K, Br2 332 K,
4 answers
asked by
niki
1,784 views
The question reads: Place the following elements in order of decreasing atomic size: selenium, chlorine, fluorine, rubidium,
3 answers
asked by
Amy
8,590 views
Which of the following elements has the smallest atomic radius?
Group of answer choices chlorine sulfur bromine selenium
4 answers
asked by
Lucas
3,390 views
Arrange the following atoms in order of increasing size from smallest to largest.
Phosphorus Fluorine Chlorine Sulfur
4 answers
asked by
Den
3,042 views
A row of elements on a periodic table is called a(n)
A: group *** B: Period C: valence D: orbital Is this right?
6 answers
asked by
Jadon
3,717 views
what is so special about the elements in Group 8 on the Periodic table?
4 answers
asked by
teacher1
962 views
Why does the octet rule not hold for many compounds containing elements in the third row of the periodic table and beyond?
3 answers
asked by
kali maa
3,127 views
The "Chemistry in Focus" segment A Magnetic Moment discusses the ability to levitate a frog in a magnetic field because
5 answers
asked by
RILEY
2,039 views
According to the periodic table, all of the following are metals except ?
A) Sodium (Na) B) Zinc (Zn) C) Fluorine (F) D) Calcium
4 answers
asked by
Help please
1,140 views
I have two questions:
1. Which group in the periodic table reacts with H2 to form compounds with the general formula MH2? A.
3 answers
asked by
Londy
1,474 views
Place the following elements in order of decreasing atomic size: selenium, chlorine, fluorine, rubidium, calcium, and sulfur.
3 answers
asked by
Amy
2,282 views
An atom has a valence shell configuration of ns2p5. To which group of elements in the periodic table does it belong?
transition
3 answers
asked by
Kristy
1,639 views
At STP, a 7.49-gram sample of an element has a volume of 1.65 cubic centimeters. The sample is most likely (1) Ta (3) Te (2) Tc
5 answers
asked by
danny123
2,495 views
Why do the metallic elements of a given period (horizontal row) typically have much lower ionization energies than do the
3 answers
asked by
student
1,195 views
I can't remember which atoms on the periodic table have larger radii than others. Can you help me with the following problem:
Ord
4 answers
asked by
Anonymous
513 views
Periodic table answers connections Academy
3 answers
asked by
Joseph
458 views
In what group of the periodic table is the element with the following configuration [Ar] 4s2 3d10 4p3
6 answers
asked by
Karl
3,395 views
a metal p forms 2 different chlorides x and y. if 12.7g of chloride x and 16.3g of chloride y contain 7.1g 10.7g of chlorine
3 answers
asked by
Anonymous
477 views
Which phrase best describes a period on the periodic table?(1 point)Responseselements that are in the same groupelements that
3 answers
asked anonymously
34 views
Why do elements that are in the same group of the periodic table share similar properties? Is the correct answer they all have
3 answers
asked anonymously
44 views
What is the chemical symbol for lithium?
3 answers
asked by
Jo
32 views
On which atomic property proposed by Henry Moseley is the current periodic table of the elements based?
1. nucleus size 2.
3 answers
asked by
mama bear
112 views
What quality differentiates hydrogen (H) from the other elements in group 1, the alkali metals?
1. It has more than one valence
5 answers
asked by
mama bear
94 views
Which property do all elements in a row of the periodic table have in common?
1. number of orbitals 2. number of protons 3.
5 answers
asked by
mama bear
44 views
Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share?(1 point)
Responses silver
3 answers
asked anonymously
55 views
Which two groups of elements in the periodic table are the most reactive?(1 point)
Responses halogens and noble gases halogens
3 answers
asked anonymously
77 views
How did Mendeleev come up with the first periodic table of the elements?(1 point)
Responses He estimated the number of electrons
3 answers
asked anonymously
38 views
The periodic table is organized by rows and columns based upon the ________ and
11 answers
asked anonymously
45 views
Elements in a ___ have similar chemical and physical properties.
period group
3 answers
asked anonymously
38 views
Which two groups of elements in the periodic table are the most reactive?(1 point)
Responses noble gases and alkali metals noble
10 answers
asked anonymously
119 views
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Parent Categories (15)
Atomic Structure
Chemical elements
Chemistry
Chemistry Education
Electronegativity
Elements
History of Chemistry
Inorganic Chemistry
Physical Science
Physics
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Science History
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