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 electrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) cooking eggs B) burning wood C) breaking a pencil D) digesting food
A) Atomic Number B) Atomic Mass C) Discovery Date D) Alphabetical Order
A) Protons and Neutrons B) Protons C) Valence Electrons D) Neutrons
A) color B) shape C) density D) pH
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) neutrons. B) protons. C) protons plus the number of neutrons. D) protons plus the number of electrons.
A) They are extremely nonreactive. 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 usually gases.
A) They are extremely rare in nature. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) exist in all three states of matter in normal conditions B) are nonreactive C) are all metals D) have only 1 valence electron
A) In the middle column of the periodic table. B) On the left-most side. C) On the right side. D) In the bottom rows.
A) number; mass B) color; smell C) mass;number D) location; ionization
A) 6 neutrons B) 3 neutrons C) 12 neutrons D) 8 neutrons
A) Alkaline Earth B) Alkaline Metals C) Halogens D) Noble Gases
A) Akali B) Halogens C) Alkaline Earth D) Noble Gases
A) Halogens B) Alkali C) Noble Gases D) Alkaline Earth
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) 2 B) 3 C) 5 D) 4
A) nonmetals B) metals C) metalloids
A) Ms. Watson B) Mosely C) Mendleev D) Einstein
A) alphabetically B) according to atomic number C) by date discovered D) According to atomic mass
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic mass C) Atomic Number D) Atomic Mass
A) protons B) neutrons C) electrons D) nucleus
A) color B) reactivity C) pH D) flammability
A) pH B) density C) texture D) shape
A) breaking B) adding dye C) burning D) crushing
A) burning B) precipitate forming C) rusting D) breaking
A) vary within the same element B) only can be seen in a few elements C) can be observed with senses D) can only be observed by changing the substance
A) can be observes with the senses B) only can be observed in a few elements C) cn only be observed by changing the substance D) vary within the same element
A) physical B) chemical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) liters B) kelvin C) meters D) second
A) kilograms B) meters C) grams D) hours
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 1,000 B) 1/100 C) 1/1,000 D) 100
A) control B) constant C) dependent D) independent
A) strawberries B) growth C) length of study D) fertilizer
A) 0.0025m B) 2,500m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) control B) dependent C) constant D) independent
A) stirring rod B) tongs C) beaker D) graduated cylinder
A) 0 B) 10 C) 16 D) 13
A) 17 B) 18 C) 35 D) 19
A) 26 B) 10 C) 12 D) 14
A) 2 B) 10 C) 18 D) 8
A) 115 amu B) 0.57 amu C) 5.7 amu D) 57 amu
A) 3 B) 1 C) 2 D) 4
A) 2 mol B) 0.5 mol C) 89.6 mol D) 67.2 mol
A) 5.8x1022 atoms B) 21.07 atoms C) 1.72x1023 atoms D) 2.107x1024 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Bohr B) Dalton C) Thomson D) Rutherford
A) Rutherford B) Chadwick C) Thomson D) Democritus
A) Bohr B) Thomson C) Rutherford D) Shrodinger and Heisenburg
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Atoms of the same element are exactly alike. B) Atoms combine to form compounds in simple whole number ratios. C) All matter is made of atoms.
A) Bohr B) Chadwick C) Rutherford D) Dalton
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) larger mass B) smaller mass C) negative charge D) positive charge
A) neutrons B) positrons C) electrons D) protons
A) 0.33g/ml B) 3g/ml C) 72g/ml D) 1.33g/ml
A) 10.7g B) 0.094g C) 17.5g D) 16g |