SGC-Chem Test 2 SP2
A) It is composed of protons and neutrons B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) 0 B) + C) -
A) have an equal number of electrons and protons. B) have neutrons in their nuclei. C) have an equal number of charged and noncharged particles. D) have an equal number of neutrons and protons.
A) digesting food B) breaking a pencil C) burning wood D) cooking eggs
A) Atomic Mass B) Atomic Number C) Alphabetical Order D) Discovery Date
A) Valence Electrons B) Protons C) Neutrons D) Protons and Neutrons
A) color B) shape C) pH D) density
A) eight neutrons in its nucleus. B) a total of eight protons and neutrons. C) a total of eight neutrons and electrons. D) eight protons in its nucleus.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) protons. D) neutrons.
A) They are usually gases. B) They form negative ions with a -1 charge. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They form compounds with very bright colors. B) They are highly reactive with both metals and nonmetals. C) They are extremely rare in nature. D) a basically nonreactive.
A) have only 1 valence electron B) are nonreactive C) exist in all three states of matter in normal conditions D) are all metals
A) In the bottom rows. B) On the left-most side. C) In the middle column of the periodic table. D) On the right side.
A) color; smell B) location; ionization C) mass;number D) number; mass
A) 6 neutrons B) 8 neutrons C) 3 neutrons D) 12 neutrons
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkaline Metals
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) 5 B) 3 C) 4 D) 2
A) nonmetals B) metals C) metalloids
A) Einstein B) Mendleev C) Ms. Watson D) Mosely
A) according to atomic number B) alphabetically C) by date discovered D) According to atomic mass
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Number-Atomic mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) neutrons B) protons C) electrons D) nucleus
A) reactivity B) pH C) color D) flammability
A) texture B) shape C) pH D) density
A) breaking B) burning C) crushing D) adding dye
A) burning B) precipitate forming C) breaking D) rusting
A) only can be seen in a few elements B) vary within the same element C) can be observed with senses D) can only be observed by changing the substance
A) can be observes with the senses B) vary within the same element C) only can be observed in a few elements D) cn only be observed by changing the substance
A) physical B) chemical
A) physical B) chemical
A) it will sink B) not enough information C) it will float
A) liters B) meters C) second D) kelvin
A) meters B) hours C) kilograms D) grams
A) precise B) nethier accurate or precise C) accurate D) both accurate and precise
A) 1/1,000 B) 1/100 C) 100 D) 1,000
A) dependent B) constant C) control D) independent
A) strawberries B) growth C) fertilizer D) length of study
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) control B) constant C) independent D) dependent
A) beaker B) stirring rod C) graduated cylinder D) tongs
A) 16 B) 13 C) 10 D) 0
A) 19 B) 35 C) 17 D) 18
A) 14 B) 10 C) 12 D) 26
A) 8 B) 18 C) 10 D) 2
A) 0.57 amu B) 57 amu C) 5.7 amu D) 115 amu
A) 2 B) 4 C) 3 D) 1
A) 2 mol B) 0.5 mol C) 67.2 mol D) 89.6 mol
A) 1.72x1023 atoms B) 21.07 atoms C) 2.107x1024 atoms D) 5.8x1022 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Bohr B) Rutherford C) Dalton D) Thomson
A) Democritus B) Rutherford C) Thomson D) Chadwick
A) Rutherford B) Thomson C) Bohr D) Shrodinger and Heisenburg 
A) Bohr B) Dalton C) Rutherford D) Thomson
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) Rutherford C) Dalton 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) negative charge B) positive charge C) larger mass D) smaller mass
A) electrons B) neutrons C) positrons D) protons
A) 72g/ml B) 0.33g/ml C) 3g/ml D) 1.33g/ml
A) 16g B) 10.7g C) 0.094g D) 17.5g |
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