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