Which of the following instruments could be used to detect:
(a) Cathode ray
(b) Geiger counter
(c) Voltmeter
(d) Mass spectrometer
The energy required to remove outer electrons that results in the positive ion is called:
(a) electronegativity
(b) electrons
(c) ionization
The nucleus of an atom contains:
(a) neutrons and electrons
(b) protons
(c) protons, neutrons and electrons
(d) none of these
Which of the following substances is not an isotope of hydrogen:
(a) deuterium
(b) dronium
(c) protium
(d) tritium
When atoms interact to form a chemical bond, only there:
(a) regions are in contact
(b) center regions are in contact
(c) middle regions are in contact
(d) outer regions are in contact
Answer (2)
This answer discusses the use of the Geiger counter for detecting radiation, the definition and importance of ionization energy, the composition of atomic nuclei, isotopes of hydrogen, and the nature of atomic bonding. Each question reflects key concepts in chemistry relevant to high school studies. ;
The questions cover key chemistry concepts such as detecting particles, ionization energy, atomic structure, hydrogen isotopes, and chemical bonding. The correct choices are (b) Geiger counter, (c) ionization, (d) none of these, (b) dronium, and (d) outer regions are in contact. These concepts are fundamental for understanding atomic interactions and characteristics in chemistry.
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