A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) 0 B) - C) +
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have neutrons in their nuclei.
A) burning wood B) breaking a pencil C) digesting food D) cooking eggs
A) Discovery Date B) Atomic Mass C) Alphabetical Order D) Atomic Number
A) Protons B) Protons and Neutrons C) Valence Electrons D) Neutrons
A) color B) pH C) shape D) density
A) eight neutrons in its nucleus. B) a total of eight neutrons and electrons. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) protons. B) protons plus the number of electrons. C) neutrons. D) protons plus the number of neutrons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) a basically nonreactive. D) They form compounds with very bright colors.
A) are nonreactive B) are all metals C) have only 1 valence electron D) exist in all three states of matter in normal conditions
A) In the bottom rows. B) In the middle column of the periodic table. C) On the left-most side. D) On the right side.
A) color; smell B) number; mass C) mass;number D) location; ionization
A) 8 neutrons B) 12 neutrons C) 3 neutrons D) 6 neutrons
A) Alkali Metals B) Halogens C) Noble Gases D) Alkaline Earth
A) Halogens B) Alkaline Earth C) Noble Gases D) Akali
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkaline Earth B) Halogens C) Noble Gases D) Alkali
A) 4 B) 2 C) 3 D) 5
A) metals B) metalloids C) nonmetals
A) Ms. Watson B) Mendleev C) Mosely D) Einstein
A) According to atomic mass B) according to atomic number C) alphabetically D) by date discovered
A) Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic mass
A) neutrons B) protons C) electrons D) nucleus
A) pH B) flammability C) color D) reactivity
A) adding dye B) breaking C) burning D) crushing
A) can be observed with senses B) only can be seen in a few elements C) vary within the same element D) can only be observed by changing the substance
A) only can be observed in a few elements B) cn only be observed by changing the substance C) vary within the same element D) can be observes with the senses
A) physical B) chemical
A) chemical B) physical
A) it will float B) it will sink C) not enough information
A) hours B) grams C) kilograms D) meters
A) accurate B) both accurate and precise C) nethier accurate or precise D) precise
A) 1,000 B) 1/1,000 C) 100 D) 1/100
A) constant B) dependent C) independent D) control
A) length of study B) growth C) fertilizer D) strawberries
A) independent B) constant C) dependent D) control
A) beaker B) tongs C) stirring rod D) graduated cylinder
A) 10 B) 13 C) 0 D) 16
A) 19 B) 17 C) 18 D) 35
A) 12 B) 10 C) 14 D) 26
A) 18 B) 10 C) 8 D) 2
A) 57 amu B) 115 amu C) 5.7 amu D) 0.57 amu
A) 2 B) 3 C) 1 D) 4
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Rutherford B) Thomson C) Democritus D) Chadwick
A) Thomson B) Rutherford C) Shrodinger and Heisenburg D) Bohr
A) Bohr B) Thomson C) Rutherford D) Dalton
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Dalton B) Chadwick C) Rutherford D) Bohr
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) positive charge B) smaller mass C) larger mass D) negative charge
A) protons B) neutrons C) positrons D) electrons
A) 72g/ml B) 0.33g/ml C) 1.33g/ml D) 3g/ml
A) 24g B) 17.5g C) 10.7g D) 0.094g |