The transition metal with the smallest atomic mass
Answers
Transition metal which possesses smallest atomic mass is scandium.
What are transition metals?
The transition metals are defined as the elements in which atoms are present whose d-sub-shell is partially filled .Due to which they give rise to cations with an incomplete d-sub-shell.
They are also defined as the elements which are present in the d-block of the periodic table, which includes groups from three to twelve.These elements are called transition elements as they show a transition between highly electro-positive group 1 and highly electro-negative group 17 elements.
They have characteristic properties due to which they can exist in variable oxidation states , form colored complexes and have catalytic properties as well.These elements are all technologically very important.
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Related Questions
Under which conditions of temperature and pressure would a sample of H2(g) behave most like an ideal gas?(1) 0°C and 100 kPa(2) 0°C and 300 kPa(3) 150°C and 100 kPa(4) 150°C and 300 kPa
Light can be transmitted through long fiber optic strands because ofa. refraction.b. external diffraction.c. total internal reflection.d. interference
The chemical bonding in sodium phosphate, Na3PO4, is classified as:
The compound known as butylated hydroxytoluene, abbreviated as BHT, contains carbon, hydrogen, and oxygen. A 1.376 g sample of BHT was combusted in an oxygen rich environment to produce 4.122 g of CO 2 ( g ) and 1.350 g of H 2 O ( g ) . Insert subscripts to complete the empirical formula of BHT.
Answers
Answer:
228
Explanation:
alpha decay is removing alpha particle
2 number of protons, 4 mass number = 2 protons + 2 neutrons
We have
90 protons and 142 neutrons
- 2 protons - 2 neutrons
88 protons 140 neutrons
Mass number of new (daughter) atom = 88 +140 = 228
Answer:
Correct Answer: 228
Explanation:
alpha decay is removing alpha particle
2 number of protons, 4 mass number = 2 protons + 2 neutrons
________________________________________________
We have:
_______________________
90 protons and 142 neutrons
- 2 protons - 2 neutrons
88 protons 140 neutrons
Mass number of new (daughter) atom = 88 +140 = 228
Hope I helped you\ Have a great day / good luck on your studies :)
A: protons
B:electrons
C:neutrons
D:quarks
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2: If the atomic number of an element is 16, then it has 16 electrons.
True
False
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3: An unknown substance is tested and found to have the following physical properties:
brittle
fair conductor of electricity
dull (not shiny)
The substance is most likely a _____.
A:metal
B:metalloid
C:nonmetal
D:can not be determined without more data
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Answers
1)Protons and Neutrons have approximately equal masses
2)TRUE
3) B-Metalloid
Answer:
its a and b
Explanation:
i got it right on test
1. In ionic bonding, only ions of the same element combine to form a compound.
2. In metallic bonding, valence electrons can move freely between atoms.
3. Substances formed through ionic bonding are not considered compounds.
4. In metallic bonding, electrons are transferred between elements in fixed ratios.
Answers
Answer: In metallic bonding, valence electrons can move freely between atoms
Explanation:
when metals bond to one another, their outermost energy levels overlap. this allows valence electrons to move freely between atoms in what is sometimes called a “sea of electrons
Which is a base-conjugate acid pair?
NH3 and CIO3-
NH3 and NH4+
HCIO3 and NH3
HCIO3 and NH4+
Answers
The example of base-conjugate acid pair is B. NH3 and NH4+.
What is a base-conjugate acid pair?
A base-conjugate acid pair simply means a pair that consist of two substances that only differ by the presence of a proton (H+).
In this case, the example of base-conjugate acid pair is NH3 and NH4+ because bNH4+ is the conjugate acid of the base NH3.
Learn more about acid on:
Answer:
NH3 and NH4+
Explanation:
NH4+ is the conjugate acid of the base NH3.
Answers
The Lewis and Langmuir theory of electrovalency (and as well as Kossel's) is dealing with Ionic bonds.
Lewis: electron-pair sharing, octet rule, Lewis Symbols or StructureLangmuir: introduced term "covalent" bond, and popularized Lewis's ideas
The Lewis-Langmuir electron-pair or covalent bond is referred as the homopolar bond, where the complete transfer of electrons give rise to ionic, or electrovalent bond (1) through attraction of opposite charges.