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