(a) Interpretation: Whether the statement about the flow of an electric current in the sealed evacuated glass tube is true or false needs to be determined. Concept introduction: J.J. Thomson’s cathode ray experiment showed that all the atoms contains negatively charged subatomic particles, which was given the name “electrons” lately.
(a) Interpretation: Whether the statement about the flow of an electric current in the sealed evacuated glass tube is true or false needs to be determined. Concept introduction: J.J. Thomson’s cathode ray experiment showed that all the atoms contains negatively charged subatomic particles, which was given the name “electrons” lately.
Solution Summary: The author explains that J.J. Thomson's cathode ray experiment showed that all the atoms contain negatively charged subatomic particles, which was given the name "electrons" lately.
Whether the statement about the flow of an electric current in the sealed evacuated glass tube is true or false needs to be determined.
Concept introduction:
J.J. Thomson’s cathode ray experiment showed that all the atoms contains negatively charged subatomic particles, which was given the name “electrons” lately.
Interpretation Introduction
(b)
Interpretation:
Whether the statement about the cathode ray being a stream of charged particles is true or false needs to be determined.
Concept introduction:
J.J. Thomson’s cathode ray experiment showed that all the atoms contains negatively charged subatomic particles, which was given the name “electrons” lately.
Interpretation Introduction
(c)
Interpretation:
Whether the statement about the cathode ray being deflected by a positive charge plate is true or false needs to be determined.
Concept introduction:
J.J. Thomson’s cathode ray experiment showed that all the atoms contain negatively charged subatomic particles, which was given the name “electrons” lately.
Interpretation Introduction
(d)
Interpretation:
Whether the statement about the number of metal electrodes can produce a cathode ray is true or false needs to be determined.
Concept introduction:
J.J. Thomson’s cathode ray experiment showed that all the atoms contain negatively charged subatomic particles, which was given the name “electrons” lately.
Interpretation Introduction
(e)
Interpretation:
Whether the statement about the cathode ray composed of protons is true or false needs to be determined.
Concept introduction:
J.J. Thomson’s cathode ray experiment showed that all the atoms contain negatively charged subatomic particles, which was given the name “electrons” lately.
Interpretation Introduction
(f)
Interpretation:
Whether the statement about the calculation of charge to mass ratio of electron to measure the deflection of cathode ray beam by electric field is true or false needs to be determined.
Concept introduction:
J.J. Thomson’s cathode ray experiment showed that all the atoms contain negatively charged subatomic particles, which was given the name “electrons” lately.
Recognizing ampli
Draw an a amino acid with a methyl (-CH3) side chain.
Explanation
Check
Click and drag to start drawing a
structure.
X
C
Write the systematic name of each organic molecule:
structure
name
×
HO
OH
☐
OH
CI
CI
O
CI
OH
OH
く
Check the box under each a amino acid.
If there are no a amino acids at all, check the "none of them" box under the table.
Note for advanced students: don't assume every amino acid shown must be found in nature.
COO
H3N-C-H
CH2
HO
CH3
NH3 O
CH3-CH
CH2
OH
Onone of them
Explanation
Check
+
H3N
O
0.
O
OH
+
NH3
CH2
CH3-CH
H2N C-COOH
H
O
HIC
+
C=O
H3N-C-O
CH3- - CH
CH2
OH
Х
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