SGC-Chem Test 2 SP2
A) It is composed of protons only B) It is composed of protons and electrons C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) + B) - C) 0
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of electrons and protons.
A) cooking eggs B) digesting food C) burning wood D) breaking a pencil
A) Atomic Number B) Alphabetical Order C) Atomic Mass D) Discovery Date
A) Protons and Neutrons B) Valence Electrons C) Protons D) Neutrons
A) color B) pH C) shape D) density
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons. B) neutrons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They are usually gases. B) They are located in the left-most column of the periodic table. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) a basically nonreactive.
A) exist in all three states of matter in normal conditions B) are all metals C) are nonreactive D) have only 1 valence electron
A) In the middle column of the periodic table. B) In the bottom rows. C) On the left-most side. D) On the right side.
A) mass;number B) color; smell C) number; mass D) location; ionization
A) 12 neutrons B) 6 neutrons C) 3 neutrons D) 8 neutrons
A) Noble Gases B) Alkaline Metals C) Alkaline Earth D) Halogens
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Noble Gases B) Alkali C) Halogens D) Alkaline Earth
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) 2 B) 4 C) 3 D) 5
A) metalloids B) metals C) nonmetals
A) Ms. Watson B) Mosely C) Mendleev D) Einstein
A) according to atomic number B) According to atomic mass C) alphabetically D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) nucleus B) protons C) neutrons D) electrons
A) reactivity B) pH C) flammability D) color
A) pH B) texture C) shape D) density
A) breaking B) burning C) crushing D) adding dye
A) precipitate forming B) breaking C) rusting D) burning
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
A) vary within the same element B) only can be observed in a few elements C) can be observes with the senses D) cn only be observed by changing the substance
A) chemical B) physical
A) chemical B) physical
A) it will float B) not enough information C) it will sink
A) meters B) kelvin C) liters D) second
A) grams B) hours C) meters D) kilograms
A) accurate B) nethier accurate or precise C) precise D) both accurate and precise
A) 1/100 B) 1/1,000 C) 100 D) 1,000
A) control B) dependent C) constant D) independent
A) fertilizer B) length of study C) strawberries D) growth
A) 0.0025m B) 2,500m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 0.00634 B) 63,400
A) constant B) control C) dependent D) independent
A) tongs B) graduated cylinder C) beaker D) stirring rod
A) 10 B) 13 C) 16 D) 0
A) 19 B) 18 C) 35 D) 17
A) 14 B) 10 C) 26 D) 12
A) 8 B) 10 C) 2 D) 18
A) 0.57 amu B) 57 amu C) 115 amu D) 5.7 amu
A) 3 B) 4 C) 2 D) 1
A) 0.5 mol B) 67.2 mol C) 2 mol D) 89.6 mol
A) 5.8x1022 atoms B) 1.72x1023 atoms C) 2.107x1024 atoms D) 21.07 atoms
A) 2,295ft B) 12,144ft
A) 6.75kg B) 33.3kg
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Thomson B) Democritus C) Chadwick D) Rutherford
A) Shrodinger and Heisenburg B) Rutherford C) Thomson D) Bohr 
A) Thomson B) Rutherford C) Dalton D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Bohr B) Dalton C) Rutherford D) Chadwick
A) Electron number never changes. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electrons are positively charged.
A) smaller mass B) negative charge C) larger mass D) positive charge
A) neutrons B) protons C) positrons D) electrons
A) 3g/ml B) 72g/ml C) 1.33g/ml D) 0.33g/ml
A) 17.5g B) 16g C) 10.7g D) 0.094g |
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