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