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