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