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