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