钠的性质非常活泼，可在空气中剧烈燃烧。

Stop Doomscrolling | Stay Focused on Instagram: "Here’s a guide to help you reduce your social media use: Set Clear Goals Identify why you want to reduce social media. Whether it’s for better focus, mental health, or increased productivity, having a reason will keep you motivated. Track Your Usage Use apps like Screen Time (iOS) or Digital Wellbeing (Android) to monitor how much time you’re spending on social media. This will give you a clear picture and help identify patterns. Set Daily Limits

Stop Doomscrolling | Stay Focused on Instagram: "Here’s a guide to help you reduce your social media use: Set Clear Goals Identify why you want to reduce social media. Whether it’s for better focus, mental health, or increased productivity, having a reason will keep you motivated. Track Your Usage Use apps like Screen Time (iOS) or Digital Wellbeing (Android) to monitor how much time you’re spending on social media. This will give you a clear picture and help identify patterns. Set Daily Limits