**PLEASE HELP** If you were presented with a preserved brain specimen, but weren’t told whether it was from a human or a sheep, how would you determine which animal it was from? Describe at least three differences you would use to help determine your answer.
Answer:
size-humans brains are usually larger than animals, shape-some animal brains are shaped very odd, and the cerebrum-that is the part of the brain that makes us human.
The three difference between animal brain and human brain will be state out on the basis of size, shape and number of folds.
What is brain?Brain is the main central part of the nervous system of all organism present in the earth.
Three differences between the structure of human brain and animal brain.
Size of the human brain is generally larger than the animal brain.Shape of the brains for humans and animals are different as they both have differnt folds in that.Cerebrum is present only in mammals, so that some animals will not have cerebrum.Hence three differences between human and animal brains are listed above.
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Which has a lower electronegativity and why? N or P? Use 'force of attraction' in your answer
Answer:
The electron sets divided among two particles are not really shared similarly. For instance, while the common electron sets are shared similarly in the covalent security in Cl2, in NaCl the 3s electron is taken from the Na iota and is fused into the electronic design of the Cl molecule - and the compound is most precisely portrayed as comprising of individual Na+ and Cl− particles (ionic holding). For most covalent substances, their bond character falls between these two limits. We showed beneath, the bond extremity is a helpful idea for portraying the sharing of electrons between molecules inside a covalent bond:
A nonpolar covalent bond is one in which the electrons are shared similarly between two particles.
A polar covalent bond is one in which one iota has a more noteworthy fascination for the electrons than the other molecule. On the off chance that this overall fascination is sufficiently incredible, the bond is an ionic bond.
Explanation:
Write the correct formula for the following compounds.
1. One ingredient in organic fertilizer contains an equal number of sodium and nitrogen atoms and three times as many oxygen atoms as nitrogen
atoms.
2. A major component of rocket fuel is hydrazine, a compound which contains two nitrogen atoms and twice as many of hydrogen atoms.
3. One of the gases responsible for acid rain contains sulphur atom for every three atoms of oxygen.
4. This compound contains one Lithium atom for every three atoms of Bromine.
5. Butane is a compound that is used as fuel in lighters and camp burners. It contains four carbon atoms and ten hydrogen atoms.
Answer:
79
Explanation:
*2Al(OH), + 3H,SO, Al(SO4)2 + 6H2O
reaction type
Please help me
How many hydrogen(H) atoms are in 3(NH₄)₂Cr₂O₇
And How many Nitrogen(N) atoms are in 3(NH₄)₂Cr₂O₇
Answer:
24 H
6 N
Explanation:
3 × (4 × 2) = 24 H
3 × 2 = 6 N
What is the charge of an atom with 6 protons and 8 electrons?
A. +2
B. -2
C. +6
D. -6
Answer:
B
Explanation:
Because the electrons are greater than the protons which makes the atom negative charged.
And when you minus 6-8=-2
Hope this helped!
The charge of an atom with 6 protons and 8 electrons is -2. Because the number of electrons dominates by 2 units.
What is charge of an atom?Atoms in their neutral state have equal number of electrons and protons. Electrons are negatively charged particles and protons are positively charged particles.
Hence, all the positive charges are neutralized with equal number of negative charges. When atoms loss or gain electrons they gets charged and this charged atom is called ions.
When electrons dominates in number or atoms gain electrons they acquire negative charge and form anions. Similarly if atoms loss electrons they form positive ions.
Here, the number of electron is 2 greater than protons. Hence the charge of the atom is -2.
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Which group of elements can act as semiconductors?
Answer:
metalloids
Explanation:
I think that is the answer
According to the electronic configuration, group 14 of elements can act as semiconductors.
What is electronic configuration?
Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
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2. Many calculations in chemistry will involve certain symbols, such as the symbol triangle or delta
What does this symbol stand for or mean?
A. "The total"
B. "The change in"
C. "The unit"
D. "The formula"
B. "The change in"
I saw that symbol a lot in chemistry and physics so I immediately recognized it.
Which environmental conditions contribute most to the spread of bacteria?
O A. cold temperatures and low humidity
B. warm temperatures and low humidity
oc, cold temperatures and high humidity
O
D. warm temperatures and high humidity
Story that ends in i have never found such a kind person ever since
Answer:
I was traveling on a train where I fell asleep. someone stole my luggage in which I had money and other essentials. when the ticket checker arrived a lady paid my fine. she helped me a lot. when I told her about being robbed she helped me and took me to the police station and I found my bag. I insisted she take the money she paid for my fine but she said that in return you too help someone."I have never found such a kind person ever since.".....
Explanation: I think this is what you are looking for. Hope this helps.
Which statements are correct about a flowering plant? It may have both male and female flowers. It may have only male or female flowers. It may have both male and female parts in the flower. It must have both male and female parts in the flower.
Answer: the last one, It must have both male and female parts in the flower.
Explanation:
Calculate the molarity of a solution prepared by dissolving 13.0 g of Na2CrO4 in enough water to produce a solution with a volume of 800. mL .
Express the molarity to three significant digits.
Answer:
molar mass sodium chromate = 162g
12.6g ÷ 162g/mole = moles sodium chromate (This is the solute)
molalrity or M = moles solute ÷ lliters of solution (You'll have to change given mL to L)
Select the correct answer from A, B, C, D & E for each statement given below:
A: Anthracite B: Diamond
C: Carbogen D: Urea E: Lampblack
1. An allotrope of carbon used as a tip for deep boring drills.
2. The type of coal with the highest carbon content.
3. An allotrope of carbon, obtained by burning kerosene oil in a limited supply of air.
4. A nitrogenous fertilizer obtained from carbon dioxide.
5. A compound which finds use for a victim of carbon monoxide poisoning.
Answer:
Didn't know the answer, sorry.
What is the molecular formula of a compound with an empirical formula P2O5 and a gram-molecular mass of 284 grams? And why?